UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'yznhVkDo5XFxRTllp24NX9NYWH46HfxJw7XIPIHMCeA=' 
WHERE 
  key_id = '39a9ebe13b7e6d90a26b84aaba3c12821fe4eaa50f0ea6fe739d3daef27816e5' 
  AND (
    token = 'yznhVkDo5XFxRTllp24NX9NYWH46HfxJw7XIPIHMCeA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )