UPDATE 
  vi_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'W5bt8imZuA6ss2pf9oh04QlFA3OkeNKc1pXmGI1aXrs=' 
WHERE 
  key_id = '83816a8771e80dff128934d1a93cf77c09d9ab489b592263155e31eb6ce28612' 
  AND (
    token = 'W5bt8imZuA6ss2pf9oh04QlFA3OkeNKc1pXmGI1aXrs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )