UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PPtFupB3rNYNSn+Zc0FpRtVin57IzOj5EuV4F9ruy8I=' 
WHERE 
  key_id = '821ae8260407234ed1adae697cb291a369efed0225b93f24a39f5a5929018e66' 
  AND (
    token = 'PPtFupB3rNYNSn+Zc0FpRtVin57IzOj5EuV4F9ruy8I=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )