SELECT 
  ushop_images.*, 
  ushop_images_links.*, 
  ushop_common_descriptions.description AS alt, 
  ushop_images.image_id AS images_image_id 
FROM 
  ushop_images_links 
  LEFT JOIN ushop_images ON ushop_images_links.image_id = ushop_images.image_id 
  LEFT JOIN ushop_common_descriptions ON ushop_common_descriptions.object_id = ushop_images.image_id 
  AND ushop_common_descriptions.object_holder = 'images' 
  AND ushop_common_descriptions.lang_code = 'es' 
WHERE 
  ushop_images_links.object_type = 'logos' 
  AND ushop_images_links.type = 'M' 
  AND ushop_images_links.object_id IN (12, 49, 50, 51, 52) 
ORDER BY 
  ushop_images_links.position, 
  ushop_images_links.pair_id

Query time 0.00045

JSON explain

{
  "query_block": {
    "select_id": 1,
    "nested_loop": [
      {
        "read_sorted_file": {
          "filesort": {
            "sort_key": "ushop_images_links.position, ushop_images_links.pair_id",
            "table": {
              "table_name": "ushop_images_links",
              "access_type": "range",
              "possible_keys": ["object_id"],
              "key": "object_id",
              "key_length": "81",
              "used_key_parts": ["object_id", "object_type", "type"],
              "rows": 7,
              "filtered": 100,
              "index_condition": "ushop_images_links.object_type = 'logos' and ushop_images_links.`type` = 'M' and ushop_images_links.object_id in (12,49,50,51,52)"
            }
          }
        }
      },
      {
        "table": {
          "table_name": "ushop_images",
          "access_type": "eq_ref",
          "possible_keys": ["PRIMARY"],
          "key": "PRIMARY",
          "key_length": "4",
          "used_key_parts": ["image_id"],
          "ref": ["ushop_shopping.ushop_images_links.image_id"],
          "rows": 1,
          "filtered": 100
        }
      },
      {
        "table": {
          "table_name": "ushop_common_descriptions",
          "access_type": "eq_ref",
          "possible_keys": ["PRIMARY"],
          "key": "PRIMARY",
          "key_length": "108",
          "used_key_parts": ["object_id", "lang_code", "object_holder"],
          "ref": ["ushop_shopping.ushop_images.image_id", "const", "const"],
          "rows": 1,
          "filtered": 100,
          "attached_condition": "trigcond(ushop_common_descriptions.object_holder = 'images' and ushop_common_descriptions.lang_code = 'es' and trigcond(ushop_images.image_id is not null))"
        }
      }
    ]
  }
}

Result

image_id image_path image_x image_y is_high_res transparent pair_id object_id object_type detailed_id type position alt images_image_id
8648 ushop-logotipo-encabezadoweb_c12v-dr.png 92 50 N N 6591 12 logos 0 M 0 Logotipo de UShop 8648
8758 ushop-logotipo-encabezadoweb.png 92 50 N N 6742 49 logos 0 M 0 Logotipo de UShop 8758
8759 favicon-ushop.png 48 48 N N 6743 50 logos 0 M 0 8759
8760 logotipo-ushop-encabezado-email.png 300 90 N N 6744 51 logos 0 M 0 Logotipo de UShop 8760
8761 ushop-logotipo-encabezadoweb_ob9r-x0.png 92 50 N N 6745 52 logos 0 M 0 Logotipo de UShop 8761