SELECT 
  name, 
  path 
FROM 
  cscart_seo_names 
WHERE 
  `object_id` = 0 
  AND `type` = 's' 
  AND `dispatch` = 'block_manager.set_custom_container' 
  AND `lang_code` = 'en'

Query time 0.00063

JSON explain

{
  "query_block": {
    "select_id": 1,
    "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"],
          "rows": 1,
          "filtered": 100,
          "index_condition": "cscart_seo_names.dispatch = 'block_manager.set_custom_container'",
          "attached_condition": "cscart_seo_names.object_id = 0 and cscart_seo_names.`type` = 's' and cscart_seo_names.lang_code = 'en'"
        }
      }
    ]
  }
}