UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'gDsr2+KyWNzLI079XbbEQu8EhXGOry270szBMWTXznE=' 
WHERE 
  key_id = '068b2f4ce1c446419475ce873f2d0f011e381bdff503725a8f78ebbf4886d774' 
  AND (
    token = 'gDsr2+KyWNzLI079XbbEQu8EhXGOry270szBMWTXznE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )