SELECT 
  * 
FROM 
  cscart_cp_og_meta_data 
WHERE 
  object_type = 'category' 
  AND object_id = 564 
  AND lang_code = 'ru'

Query time 0.00055

JSON explain

{
  "query_block": {
    "select_id": 1,
    "message": "Impossible WHERE noticed after reading const tables"
  }
}