UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'U548459EIba/WjJ7HNTFlCYkOrJv8hCFYtfHTLnKydU=' 
WHERE 
  key_id = '8640744925676ad84a8284bb44b12c0a56796027b9c4742c9a294d76d00d6f72' 
  AND (
    token = 'U548459EIba/WjJ7HNTFlCYkOrJv8hCFYtfHTLnKydU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )