SELECT 
  cscart_seo_names.object_id AS product_id, 
  cscart_seo_names.name AS seo_name, 
  cscart_seo_names.path AS seo_path 
FROM 
  cscart_seo_names 
WHERE 
  cscart_seo_names.object_id IN (
    18508, 18509, 18510, 18511, 18513, 18514, 
    18515, 18516, 18517, 18518, 18519, 
    18520, 18521, 18522, 18523, 18524, 
    18525, 18526, 18527, 18528, 18529, 
    18530, 18531, 18532, 18533, 18534, 
    19936, 19937, 19938, 19939, 19940, 
    19941
  ) 
  AND cscart_seo_names.type = "p" 
  AND cscart_seo_names.dispatch = "" 
  AND cscart_seo_names.lang_code = 'en'

Query time 0.00073

JSON explain

{
  "query_block": {
    "select_id": 1,
    "cost": 0.06270008,
    "nested_loop": [
      {
        "table": {
          "table_name": "cscart_seo_names",
          "access_type": "ref",
          "possible_keys": ["PRIMARY", "dispatch"],
          "key": "dispatch",
          "key_length": "194",
          "used_key_parts": ["dispatch"],
          "ref": ["const"],
          "loops": 1,
          "rows": 54,
          "cost": 0.06270008,
          "filtered": 59.25925827,
          "index_condition": "cscart_seo_names.object_id in (18508,18509,18510,18511,18513,18514,18515,18516,18517,18518,18519,18520,18521,18522,18523,18524,18525,18526,18527,18528,18529,18530,18531,18532,18533,18534,19936,19937,19938,19939,19940,19941) and cscart_seo_names.`type` = 'p' and cscart_seo_names.dispatch = '' and cscart_seo_names.lang_code = 'en'"
        }
      }
    ]
  }
}