SELECT 
  cscart_images.*, 
  cscart_images_links.*, 
  cscart_common_descriptions.description AS alt, 
  cscart_images.image_id AS images_image_id 
FROM 
  cscart_images_links 
  LEFT JOIN cscart_images ON cscart_images_links.image_id = cscart_images.image_id 
  LEFT JOIN cscart_common_descriptions ON cscart_common_descriptions.object_id = cscart_images.image_id 
  AND cscart_common_descriptions.object_holder = 'images' 
  AND cscart_common_descriptions.lang_code = 'en' 
WHERE 
  cscart_images_links.object_type = 'product' 
  AND cscart_images_links.type = 'A' 
  AND cscart_images_links.object_id IN (
    69350, 65096, 68052, 65122, 68085, 65124, 
    70145, 70292
  ) 
ORDER BY 
  cscart_images_links.position, 
  cscart_images_links.pair_id

Query time 0.00068

JSON explain

{
  "query_block": {
    "select_id": 1,
    "cost_info": {
      "query_cost": "77.00"
    },
    "ordering_operation": {
      "using_filesort": true,
      "cost_info": {
        "sort_cost": "26.00"
      },
      "nested_loop": [
        {
          "table": {
            "table_name": "cscart_images_links",
            "access_type": "range",
            "possible_keys": [
              "object_id",
              "idx_object_type_type_position"
            ],
            "key": "object_id",
            "used_key_parts": [
              "object_id",
              "object_type",
              "type"
            ],
            "key_length": "81",
            "rows_examined_per_scan": 26,
            "rows_produced_per_join": 26,
            "filtered": "100.00",
            "index_condition": "((`cscart_db`.`cscart_images_links`.`object_type` = 'product') and (`cscart_db`.`cscart_images_links`.`type` = 'A') and (`cscart_db`.`cscart_images_links`.`object_id` in (69350,65096,68052,65122,68085,65124,70145,70292)))",
            "cost_info": {
              "read_cost": "18.79",
              "eval_cost": "2.60",
              "prefix_cost": "21.39",
              "data_read_per_join": "2K"
            },
            "used_columns": [
              "pair_id",
              "object_id",
              "object_type",
              "image_id",
              "detailed_id",
              "type",
              "position"
            ]
          }
        },
        {
          "table": {
            "table_name": "cscart_images",
            "access_type": "eq_ref",
            "possible_keys": [
              "PRIMARY"
            ],
            "key": "PRIMARY",
            "used_key_parts": [
              "image_id"
            ],
            "key_length": "4",
            "ref": [
              "cscart_db.cscart_images_links.image_id"
            ],
            "rows_examined_per_scan": 1,
            "rows_produced_per_join": 26,
            "filtered": "100.00",
            "cost_info": {
              "read_cost": "13.46",
              "eval_cost": "2.60",
              "prefix_cost": "37.45",
              "data_read_per_join": "19K"
            },
            "used_columns": [
              "image_id",
              "image_path",
              "image_x",
              "image_y",
              "is_high_res"
            ]
          }
        },
        {
          "table": {
            "table_name": "cscart_common_descriptions",
            "access_type": "eq_ref",
            "possible_keys": [
              "PRIMARY"
            ],
            "key": "PRIMARY",
            "used_key_parts": [
              "object_id",
              "lang_code",
              "object_holder"
            ],
            "key_length": "107",
            "ref": [
              "cscart_db.cscart_images.image_id",
              "const",
              "const"
            ],
            "rows_examined_per_scan": 1,
            "rows_produced_per_join": 26,
            "filtered": "100.00",
            "cost_info": {
              "read_cost": "10.95",
              "eval_cost": "2.60",
              "prefix_cost": "51.00",
              "data_read_per_join": "15K"
            },
            "used_columns": [
              "object_id",
              "description",
              "lang_code",
              "object_holder"
            ],
            "attached_condition": "<if>(is_not_null_compl(cscart_common_descriptions), (`cscart_db`.`cscart_common_descriptions`.`object_id` = `cscart_db`.`cscart_images`.`image_id`), true)"
          }
        }
      ]
    }
  }
}

Result

image_id image_path image_x image_y is_high_res pair_id object_id object_type detailed_id type position alt images_image_id
0 175053 65096 product 176399 A 1
0 175171 65122 product 176517 A 1
0 175180 65124 product 176526 A 1
0 193466 68052 product 194804 A 1
0 193717 68085 product 195055 A 1
0 215357 70292 product 216632 A 1
0 175054 65096 product 176400 A 2
0 175172 65122 product 176518 A 2
0 175181 65124 product 176527 A 2
0 193467 68052 product 194805 A 2
0 193718 68085 product 195056 A 2
0 215358 70292 product 216633 A 2
0 175055 65096 product 176401 A 3
0 175173 65122 product 176519 A 3
0 193468 68052 product 194806 A 3
0 193719 68085 product 195057 A 3
0 215359 70292 product 216634 A 3
0 193469 68052 product 194807 A 4
0 193720 68085 product 195058 A 4
0 193470 68052 product 194808 A 5
0 193721 68085 product 195059 A 5
0 193471 68052 product 194809 A 6
0 193722 68085 product 195060 A 6
0 193723 68085 product 195061 A 7
0 213792 70145 product 215067 A 10