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 (
    39122, 64429, 69708, 68616, 68398, 67976, 
    67918, 15946
  ) 
ORDER BY 
  cscart_images_links.position, 
  cscart_images_links.pair_id

Query time 0.00066

JSON explain

{
  "query_block": {
    "select_id": 1,
    "cost_info": {
      "query_cost": "88.99"
    },
    "ordering_operation": {
      "using_filesort": true,
      "cost_info": {
        "sort_cost": "29.00"
      },
      "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": 29,
            "rows_produced_per_join": 29,
            "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 (39122,64429,69708,68616,68398,67976,67918,15946)))",
            "cost_info": {
              "read_cost": "23.39",
              "eval_cost": "2.90",
              "prefix_cost": "26.29",
              "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": 29,
            "filtered": "100.00",
            "cost_info": {
              "read_cost": "15.01",
              "eval_cost": "2.90",
              "prefix_cost": "44.20",
              "data_read_per_join": "22K"
            },
            "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": 29,
            "filtered": "100.00",
            "cost_info": {
              "read_cost": "12.88",
              "eval_cost": "2.90",
              "prefix_cost": "59.99",
              "data_read_per_join": "17K"
            },
            "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 58126 15946 product 59478 A 1
0 173400 39122 product 174746 A 1
0 208838 67976 product 210113 A 1
0 208844 64429 product 210119 A 1
0 58127 15946 product 59479 A 2
0 208839 67976 product 210114 A 2
0 208845 64429 product 210120 A 2
0 58128 15946 product 59480 A 3
0 208840 67976 product 210115 A 3
0 208846 64429 product 210121 A 3
0 208851 67918 product 210126 A 3
0 58129 15946 product 59481 A 4
0 192508 67918 product 193846 A 4
0 208841 67976 product 210116 A 4
0 208847 64429 product 210122 A 4
0 58130 15946 product 59482 A 5
0 192509 67918 product 193847 A 5
0 208842 67976 product 210117 A 5
0 208848 64429 product 210123 A 5
0 58131 15946 product 59483 A 6
0 192510 67918 product 193848 A 6
0 208843 67976 product 210118 A 6
0 208849 64429 product 210124 A 6
0 58132 15946 product 59484 A 7
0 192511 67918 product 193849 A 7
0 198636 68616 product 199920 A 10
0 198637 68616 product 199921 A 20