UPDATE 
  vi_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '89i4/caTog4n9ysluY826xuTZrkhtZItoSzIH2TYq9Y=' 
WHERE 
  key_id = 'b1523de67bab6c59039fee6a16011746f8634f0796f9987870517886a02ffdfc' 
  AND (
    token = '89i4/caTog4n9ysluY826xuTZrkhtZItoSzIH2TYq9Y=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )