Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '1225107c43ae1d8b84cbf988456cbfac76254d75acc4e6f217eb4aade0288147' 
  AND token = 'yJQuVzbiphYxaAAeuSmePZK+zdEWY2qRlwqtbhgOlc0=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00017

JSON explain

{
  "query_block": {
    "select_id": 1,
    "message": "no matching row in const table"
  }
}