SELECT 
  * 
FROM 
  cscart_seo_names 
WHERE 
  name = 'category-1' 
  AND cscart_seo_names.company_id IN (0, 1) 
  AND lang_code = 'ja'

Query time 0.00185

JSON explain

{
  "query_block": {
    "select_id": 1,
    "table": {
      "table_name": "cscart_seo_names",
      "access_type": "ref",
      "possible_keys": [
        "name",
        "type"
      ],
      "key": "name",
      "used_key_parts": [
        "name",
        "lang_code"
      ],
      "key_length": "758",
      "ref": [
        "const",
        "const"
      ],
      "rows": 1,
      "filtered": 100,
      "index_condition": "((`_testcscart`.`cscart_seo_names`.`name` = 'category-1') and (`_testcscart`.`cscart_seo_names`.`lang_code` = 'ja'))",
      "attached_condition": "(`_testcscart`.`cscart_seo_names`.`company_id` in (0,1))"
    }
  }
}