UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'UwKZFM+jQSEOQXjhyB7WykHNXOUdQqktRS9PnWPS1OY=' 
WHERE 
  key_id = 'ca2efd618c58e2bdb3f86e7606427fc099b401b4cb564235b3a3f5af75656673' 
  AND (
    token = 'UwKZFM+jQSEOQXjhyB7WykHNXOUdQqktRS9PnWPS1OY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )