Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'ed2232ff37144ea0f7c2c0151c21b6154ad514db626f36010f888a065d32d136' 
  AND token = 'uT6sqpTwcy26ipK1qhDbVJ9G4OrNC9eSV205P6RYnh8=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00028

JSON explain

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