UPDATE 
  vi_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'QSsafMHBnZ0qPlfD3XPblppCzb7WYs0gUDHPUrQ2dTk=' 
WHERE 
  key_id = '6eb2966c93ab7df428c416479e917b077fd7a9081115e8e931f8e95a08acb893' 
  AND (
    token = 'QSsafMHBnZ0qPlfD3XPblppCzb7WYs0gUDHPUrQ2dTk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )