UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'rqt4l6CMEJhWqLxYX8pxbw+9HKxDRx0W3iu6qL5GL6g=' 
WHERE 
  key_id = 'e0df000294b010bc1152c510622f55af7b324a26b31df31f89268892f4abe433' 
  AND (
    token = 'rqt4l6CMEJhWqLxYX8pxbw+9HKxDRx0W3iu6qL5GL6g=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )