UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '4rFsYKxl7/xA2iGLQrfj5hK1Va6A9ECQAig3WTBktW4=' 
WHERE 
  key_id = '250beb957e0664813a39a6cbaf362ae8a399aaf29e87c68ddb495d47fdd8cb90' 
  AND (
    token = '4rFsYKxl7/xA2iGLQrfj5hK1Va6A9ECQAig3WTBktW4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )