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 = 'variant_image' 
  AND cscart_images_links.type = 'V' 
  AND cscart_images_links.object_id IN (
    234857, 234831, 234832, 234833, 234834, 
    234835, 234836, 237212, 237213, 234837, 
    234838, 234839, 234840, 234841, 234842, 
    234843, 234844, 234845, 234846, 234847, 
    234848, 234849, 234850, 234851, 234852, 
    234853, 234854, 234855, 234820, 234821, 
    234822, 234823, 234824, 234825, 234826, 
    234827, 234828, 234829, 234830
  ) 
ORDER BY 
  cscart_images_links.position, 
  cscart_images_links.pair_id

Query time 0.00147

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": 39,
          "filtered": 100,
          "index_condition": "cscart_images_links.object_type = 'variant_image' and cscart_images_links.`type` = 'V' and cscart_images_links.object_id in (234857,234831,234832,234833,234834,234835,234836,237212,237213,234837,234838,234839,234840,234841,234842,234843,234844,234845,234846,234847,234848,234849,234850,234851,234852,234853,234854,234855,234820,234821,234822,234823,234824,234825,234826,234827,234828,234829,234830)"
        }
      }
    },
    "table": {
      "table_name": "cscart_images",
      "access_type": "eq_ref",
      "possible_keys": ["PRIMARY"],
      "key": "PRIMARY",
      "key_length": "3",
      "used_key_parts": ["image_id"],
      "ref": ["cscart_migrate.cscart_images_links.image_id"],
      "rows": 1,
      "filtered": 100,
      "attached_condition": "trigcond(cscart_images_links.image_id = cscart_images.image_id)"
    },
    "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": ["cscart_migrate.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