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 (
    69955, 66700, 68534, 65545, 37553, 69352, 
    68909, 68890
  ) 
ORDER BY 
  cscart_images_links.position, 
  cscart_images_links.pair_id

Query time 0.00071

JSON explain

{
  "query_block": {
    "select_id": 1,
    "cost_info": {
      "query_cost": "165.85"
    },
    "ordering_operation": {
      "using_filesort": true,
      "cost_info": {
        "sort_cost": "42.00"
      },
      "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": 42,
            "rows_produced_per_join": 42,
            "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 (69955,66700,68534,65545,37553,69352,68909,68890)))",
            "cost_info": {
              "read_cost": "43.47",
              "eval_cost": "4.20",
              "prefix_cost": "47.67",
              "data_read_per_join": "3K"
            },
            "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": 42,
            "filtered": "100.00",
            "cost_info": {
              "read_cost": "34.99",
              "eval_cost": "4.20",
              "prefix_cost": "86.85",
              "data_read_per_join": "32K"
            },
            "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": 42,
            "filtered": "100.00",
            "cost_info": {
              "read_cost": "32.79",
              "eval_cost": "4.20",
              "prefix_cost": "123.85",
              "data_read_per_join": "24K"
            },
            "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 180580 65545 product 181926 A 1
0 185071 66700 product 186417 A 1
0 200633 68890 product 201917 A 1
0 206283 68534 product 207567 A 1
0 213852 37553 product 215127 A 1
0 180581 65545 product 181927 A 2
0 185072 66700 product 186418 A 2
0 200637 68890 product 201921 A 2
0 206284 68534 product 207568 A 2
0 180582 65545 product 181928 A 3
0 185073 66700 product 186419 A 3
0 200634 68890 product 201918 A 3
0 206285 68534 product 207569 A 3
0 180583 65545 product 181929 A 4
0 185074 66700 product 186420 A 4
0 200638 68890 product 201922 A 4
0 206286 68534 product 207570 A 4
0 180584 65545 product 181930 A 5
0 185076 66700 product 186422 A 5
0 200636 68890 product 201920 A 5
0 185077 66700 product 186423 A 6
0 200629 68890 product 201913 A 6
0 200630 68890 product 201914 A 7
0 213853 37553 product 215128 A 7
0 200631 68890 product 201915 A 8
0 200632 68890 product 201916 A 9
0 213854 37553 product 215129 A 9
0 200635 68890 product 201919 A 10
0 200837 68909 product 202121 A 10
0 213855 37553 product 215130 A 10
0 200838 68909 product 202122 A 20
0 200839 68909 product 202123 A 30
0 200840 68909 product 202124 A 40
0 200841 68909 product 202125 A 50
0 200842 68909 product 202126 A 60
0 200843 68909 product 202127 A 70
0 200844 68909 product 202128 A 80
0 200845 68909 product 202129 A 90
0 200846 68909 product 202130 A 100
0 200847 68909 product 202131 A 110