UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ku5j5jMenTmiWmI5tedPmD46fSjvSddDh4shusb4yzc=' 
WHERE 
  key_id = 'c745e97446b90e85381b7071bec7248aac4b174338bebdbb356d16553658a986' 
  AND (
    token = 'ku5j5jMenTmiWmI5tedPmD46fSjvSddDh4shusb4yzc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )