UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '/EZqlFfLxwl+yDdYLHle+xPRBUI5oIkArIiDBxz6ysA=' 
WHERE 
  key_id = '5c8d29996135cebf7046c7fe468bc76369f539226a9446e9d56c35dc7e3ca50e' 
  AND (
    token = '/EZqlFfLxwl+yDdYLHle+xPRBUI5oIkArIiDBxz6ysA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )