UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '1n4f9Klt6EqyMxst9rO2cBfuRMrMQg6ijOy86kKurQ4=' 
WHERE 
  key_id = 'a16ac9d9f3e7d01249eca16e85c480e6556de39032602f7f535ecdff6f5eb864' 
  AND (
    token = '1n4f9Klt6EqyMxst9rO2cBfuRMrMQg6ijOy86kKurQ4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )