SELECT 
  object_id, 
  name 
FROM 
  cscart_seo_names 
WHERE 
  name IN ('the-concept-en', 'about') 
  AND type = 'a' 
  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": "range",
          "possible_keys": ["name", "type"],
          "key": "type",
          "key_length": "761",
          "used_key_parts": ["name", "type", "lang_code"],
          "rows": 2,
          "filtered": 100,
          "index_condition": "cscart_seo_names.`name` in ('the-concept-en','about') and cscart_seo_names.`type` = 'a' and cscart_seo_names.lang_code = 'en'"
        }
      }
    ]
  }
}