UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'B3jnI9+IUF3ytqOzekdM+44SMu9RUZgjzdIYkn4eYIw=' 
WHERE 
  key_id = '623b7df47af90efb28065d7d6693a70401f73197a64080edb40335cc5b0eadcb' 
  AND (
    token = 'B3jnI9+IUF3ytqOzekdM+44SMu9RUZgjzdIYkn4eYIw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )