SELECT 
  cscart_images_links.*, 
  cscart_images.image_path, 
  cscart_common_descriptions.description AS alt, 
  cscart_images.image_x, 
  cscart_images.image_y, 
  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 = 'category' 
  AND cscart_images_links.type = 'M' 
  AND cscart_images_links.object_id IN (
    '2851', '2852', '2853', '2854', '2855', 
    '2856', '2858', '2859', '2860', '2857', 
    '2861', '113', '123', '124', '117', 
    '121', '116', '125', '122', '120', 
    '126', '127', '2533', '2534', '2535', 
    '2536', '3115', '3174', '3426'
  ) 
ORDER BY 
  cscart_images_links.position, 
  cscart_images_links.pair_id

Query time 0.00053

JSON explain

{
  "query_block": {
    "select_id": 1,
    "read_sorted_file": {
      "filesort": {
        "sort_key": "cscart_images_links.position, cscart_images_links.pair_id",
        "table": {
          "table_name": "cscart_images_links",
          "access_type": "range",
          "possible_keys": ["object_id"],
          "key": "object_id",
          "key_length": "81",
          "used_key_parts": ["object_id", "object_type", "type"],
          "rows": 30,
          "filtered": 100,
          "index_condition": "cscart_images_links.object_type = 'category' and cscart_images_links.`type` = 'M' and cscart_images_links.object_id in ('2851','2852','2853','2854','2855','2856','2858','2859','2860','2857','2861','113','123','124','117','121','116','125','122','120','126','127','2533','2534','2535','2536','3115','3174','3426')"
        }
      }
    },
    "table": {
      "table_name": "cscart_images",
      "access_type": "eq_ref",
      "possible_keys": ["PRIMARY"],
      "key": "PRIMARY",
      "key_length": "4",
      "used_key_parts": ["image_id"],
      "ref": ["rfswire_cart.cscart_images_links.image_id"],
      "rows": 1,
      "filtered": 100
    },
    "table": {
      "table_name": "cscart_common_descriptions",
      "access_type": "eq_ref",
      "possible_keys": ["PRIMARY"],
      "key": "PRIMARY",
      "key_length": "107",
      "used_key_parts": ["object_id", "lang_code", "object_holder"],
      "ref": ["rfswire_cart.cscart_images.image_id", "const", "const"],
      "rows": 1,
      "filtered": 100,
      "attached_condition": "trigcond(cscart_common_descriptions.object_id = cscart_images.image_id and cscart_common_descriptions.object_holder = 'images' and cscart_common_descriptions.lang_code = 'en' and trigcond(cscart_images.image_id is not null))"
    }
  }
}

Result

pair_id object_id object_type image_id detailed_id type position image_path alt image_x image_y images_image_id
8539 3115 category 0 15590 M 0