UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '/sPJDYJyXU+7Xgk0zYKZ4laoerLnaKJCKgydfbK0T6o=' 
WHERE 
  key_id = '278d18a0bf3ffc823832e466fcd20748454e92e3c49e046bb68b5c0d717d50a8' 
  AND (
    token = '/sPJDYJyXU+7Xgk0zYKZ4laoerLnaKJCKgydfbK0T6o=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )