SELECT 
  cscart_products.product_id, 
  cscart_products.product_code, 
  cscart_products.status, 
  cscart_products.company_id, 
  cscart_products.list_price, 
  cscart_products.shipping_params, 
  cscart_product_review_prepared_data.average_rating, 
  cscart_product_descriptions.product, 
  cscart_product_descriptions.short_description, 
  cscart_product_descriptions.full_description, 
  cscart_product_descriptions.promo_text, 
  IFNULL(
    avg(opr.rating_value), 
    3
  ) as actual_rating, 
  cd.category, 
  cd.category_id, 
  cc.category_id as main_category, 
  pvd.variant_id, 
  pvd.variant, 
  MIN(
    IF(
      cscart_product_prices.percentage_discount = 0, 
      cscart_product_prices.price, 
      cscart_product_prices.price - (
        cscart_product_prices.price * cscart_product_prices.percentage_discount
      )/ 100
    )
  ) as price 
FROM 
  cscart_products 
  LEFT JOIN cscart_product_prices ON cscart_product_prices.product_id = cscart_products.product_id 
  AND cscart_product_prices.lower_limit = 1 
  AND cscart_product_prices.usergroup_id IN (0) 
  LEFT JOIN cscart_product_descriptions ON cscart_product_descriptions.product_id = cscart_products.product_id 
  LEFT JOIN cscart_product_review_prepared_data ON cscart_product_review_prepared_data.product_id = cscart_products.product_id 
  left join cscart_product_reviews opr on opr.product_id = cscart_products.product_id 
  and opr.status = "A" 
  left join cscart_product_features_values pfv on pfv.product_id = cscart_products.product_id 
  AND pfv.feature_id = 62 
  left join cscart_product_feature_variant_descriptions pvd on pvd.variant_id = pfv.variant_id 
  inner join cscart_products_categories pc on pc.product_id = cscart_products.product_id 
  inner join cscart_categories cc on cc.category_id = pc.category_id 
  and pc.link_type = "M" 
  inner join cscart_category_descriptions cd on cd.category_id = cc.parent_id 
  AND cscart_product_descriptions.lang_code = 'en' 
WHERE 
  cscart_products.product_id = 70260

Query time 0.00094

JSON explain

{
  "query_block": {
    "select_id": 1,
    "cost_info": {
      "query_cost": "3.70"
    },
    "nested_loop": [
      {
        "table": {
          "table_name": "cscart_products",
          "access_type": "const",
          "possible_keys": [
            "PRIMARY",
            "idx_products_inventory"
          ],
          "key": "PRIMARY",
          "used_key_parts": [
            "product_id"
          ],
          "key_length": "3",
          "ref": [
            "const"
          ],
          "rows_examined_per_scan": 1,
          "rows_produced_per_join": 1,
          "filtered": "100.00",
          "cost_info": {
            "read_cost": "0.00",
            "eval_cost": "0.10",
            "prefix_cost": "0.00",
            "data_read_per_join": "5K"
          },
          "used_columns": [
            "product_id",
            "product_code",
            "status",
            "company_id",
            "list_price",
            "shipping_params"
          ]
        }
      },
      {
        "table": {
          "table_name": "cscart_product_prices",
          "access_type": "const",
          "possible_keys": [
            "usergroup",
            "product_id",
            "lower_limit",
            "usergroup_id",
            "idx_product_prices_usergroup_limit",
            "idx_prices_discount_lookup",
            "idx_prices_min_calc",
            "idx_prices_usergroup_lookup",
            "idx_prices_usergroup_product"
          ],
          "key": "usergroup",
          "used_key_parts": [
            "product_id",
            "usergroup_id",
            "lower_limit"
          ],
          "key_length": "9",
          "ref": [
            "const",
            "const",
            "const"
          ],
          "rows_examined_per_scan": 1,
          "rows_produced_per_join": 1,
          "filtered": "100.00",
          "cost_info": {
            "read_cost": "0.00",
            "eval_cost": "0.10",
            "prefix_cost": "0.00",
            "data_read_per_join": "24"
          },
          "used_columns": [
            "product_id",
            "price",
            "percentage_discount",
            "lower_limit",
            "usergroup_id"
          ]
        }
      },
      {
        "table": {
          "table_name": "cscart_product_descriptions",
          "access_type": "const",
          "possible_keys": [
            "PRIMARY",
            "product_id",
            "idx_product_desc_lang",
            "idx_product_name_search",
            "idx_product_desc_sort"
          ],
          "key": "PRIMARY",
          "used_key_parts": [
            "product_id",
            "lang_code"
          ],
          "key_length": "9",
          "ref": [
            "const",
            "const"
          ],
          "rows_examined_per_scan": 1,
          "rows_produced_per_join": 1,
          "filtered": "100.00",
          "cost_info": {
            "read_cost": "0.00",
            "eval_cost": "0.10",
            "prefix_cost": "0.00",
            "data_read_per_join": "4K"
          },
          "used_columns": [
            "product_id",
            "lang_code",
            "product",
            "short_description",
            "full_description",
            "promo_text"
          ]
        }
      },
      {
        "table": {
          "table_name": "cscart_product_review_prepared_data",
          "access_type": "ref",
          "possible_keys": [
            "PRIMARY"
          ],
          "key": "PRIMARY",
          "used_key_parts": [
            "product_id"
          ],
          "key_length": "3",
          "ref": [
            "const"
          ],
          "rows_examined_per_scan": 1,
          "rows_produced_per_join": 1,
          "filtered": "100.00",
          "cost_info": {
            "read_cost": "0.29",
            "eval_cost": "0.10",
            "prefix_cost": "0.39",
            "data_read_per_join": "16"
          },
          "used_columns": [
            "product_id",
            "average_rating"
          ]
        }
      },
      {
        "table": {
          "table_name": "opr",
          "access_type": "ref",
          "possible_keys": [
            "idx_product_id",
            "idx_product_reviews_status"
          ],
          "key": "idx_product_id",
          "used_key_parts": [
            "product_id"
          ],
          "key_length": "3",
          "ref": [
            "const"
          ],
          "rows_examined_per_scan": 1,
          "rows_produced_per_join": 1,
          "filtered": "100.00",
          "cost_info": {
            "read_cost": "0.59",
            "eval_cost": "0.10",
            "prefix_cost": "1.08",
            "data_read_per_join": "1K"
          },
          "used_columns": [
            "product_id",
            "rating_value",
            "status"
          ],
          "attached_condition": "<if>(is_not_null_compl(opr), (`cscart_db`.`opr`.`status` = 'A'), true)"
        }
      },
      {
        "table": {
          "table_name": "pfv",
          "access_type": "ref",
          "possible_keys": [
            "PRIMARY",
            "product_id",
            "fpl",
            "idx_product_feature_variant_id",
            "fl"
          ],
          "key": "idx_product_feature_variant_id",
          "used_key_parts": [
            "product_id",
            "feature_id"
          ],
          "key_length": "6",
          "ref": [
            "const",
            "const"
          ],
          "rows_examined_per_scan": 1,
          "rows_produced_per_join": 1,
          "filtered": "100.00",
          "using_index": true,
          "cost_info": {
            "read_cost": "0.77",
            "eval_cost": "0.10",
            "prefix_cost": "1.95",
            "data_read_per_join": "40"
          },
          "used_columns": [
            "feature_id",
            "product_id",
            "variant_id"
          ]
        }
      },
      {
        "table": {
          "table_name": "pc",
          "access_type": "ref",
          "possible_keys": [
            "PRIMARY",
            "link_type",
            "pt",
            "idx_product_category_lookup",
            "idx_products_categories_composite"
          ],
          "key": "idx_products_categories_composite",
          "used_key_parts": [
            "product_id"
          ],
          "key_length": "3",
          "ref": [
            "const"
          ],
          "rows_examined_per_scan": 2,
          "rows_produced_per_join": 1,
          "filtered": "50.00",
          "using_index": true,
          "cost_info": {
            "read_cost": "0.30",
            "eval_cost": "0.10",
            "prefix_cost": "2.45",
            "data_read_per_join": "16"
          },
          "used_columns": [
            "product_id",
            "category_id",
            "link_type"
          ],
          "attached_condition": "(`cscart_db`.`pc`.`link_type` = 'M')"
        }
      },
      {
        "table": {
          "table_name": "cc",
          "access_type": "eq_ref",
          "possible_keys": [
            "PRIMARY",
            "parent",
            "p_category_id",
            "idx_categories_parent_status"
          ],
          "key": "PRIMARY",
          "used_key_parts": [
            "category_id"
          ],
          "key_length": "3",
          "ref": [
            "cscart_db.pc.category_id"
          ],
          "rows_examined_per_scan": 1,
          "rows_produced_per_join": 1,
          "filtered": "100.00",
          "cost_info": {
            "read_cost": "0.25",
            "eval_cost": "0.10",
            "prefix_cost": "2.80",
            "data_read_per_join": "2K"
          },
          "used_columns": [
            "category_id",
            "parent_id"
          ]
        }
      },
      {
        "table": {
          "table_name": "cd",
          "access_type": "ref",
          "possible_keys": [
            "PRIMARY"
          ],
          "key": "PRIMARY",
          "used_key_parts": [
            "category_id"
          ],
          "key_length": "3",
          "ref": [
            "cscart_db.cc.parent_id"
          ],
          "rows_examined_per_scan": 1,
          "rows_produced_per_join": 1,
          "filtered": "100.00",
          "cost_info": {
            "read_cost": "0.25",
            "eval_cost": "0.10",
            "prefix_cost": "3.15",
            "data_read_per_join": "3K"
          },
          "used_columns": [
            "category_id",
            "category"
          ]
        }
      },
      {
        "table": {
          "table_name": "pvd",
          "access_type": "ref",
          "possible_keys": [
            "PRIMARY"
          ],
          "key": "PRIMARY",
          "used_key_parts": [
            "variant_id"
          ],
          "key_length": "3",
          "ref": [
            "cscart_db.pfv.variant_id"
          ],
          "rows_examined_per_scan": 1,
          "rows_produced_per_join": 1,
          "filtered": "100.00",
          "cost_info": {
            "read_cost": "0.44",
            "eval_cost": "0.11",
            "prefix_cost": "3.70",
            "data_read_per_join": "7K"
          },
          "used_columns": [
            "variant_id",
            "variant"
          ]
        }
      }
    ]
  }
}

Result

product_id product_code status company_id list_price shipping_params average_rating product short_description full_description promo_text actual_rating category category_id main_category variant_id variant price
70260 8809784601999 A 13 2000.00 a:5:{s:16:"min_items_in_box";i:0;s:16:"max_items_in_box";i:0;s:10:"box_length";i:0;s:9:"box_width";i:0;s:10:"box_height";i:0;} Cellmazing Firming Eye Cream 30ml <p>Reduces fine lines, wrinkles, dark circles and puffiness around the eyes</p> <p>Revitalize and firm the delicate eye area with the Torriden Cellmazing Firming Eye Cream, a Collagen and Retinol eye cream formulated to target fine lines and dark circles, and restore youthful radiance. This repairing formula helps to reduce wrinkles around the eyes and nasolabial folds.</p> <p>The formula contains Torriden's own 5D Collagen Complex, a combination of 5 different Collagen forms (3005900 dalton), which improves absorption, plumps and gives the skin a firmer and more elastic feel. Pure Retinol combined with four Retinol derivatives and liposome technology maximizes the effect of Retinol, minimizes irritation, and enhances the absorption of the product. Panthenol and Allantoin soothe and protect the sensitive skin around the eyes.</p> <p>It provides lasting moisture, helping to smooth and plump the eye area.</p> <p>Clinical Tests:<br />-Appearance of Eye Wrinkles Reduced by 10.58% after 2 weeks of use<br />-Appearance of Smile Wrinkles Reduced by 7.46% after 2 weeks of use<br />-Dark Circles Brightened by 2.39% after 2 weeks of use<br />-Collagen Expression increased by 34.62% after 5 days<br />-Elastin Expression increased by +29.53% after 5 days<br />-Safe for Sensitive Skin</p> <ul><li>Use<strong> KLOVE</strong> & Get flat 5% off orders above Rs. 999.</li><li>Use<strong> GLOW10</strong> & Get Flat 10% off on orders above Rs. 1799.</li></ul> 3.0000 Eye Care 2689 2862 54471 Torriden 1800.000000