UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'epZNr+pyiNnIOgVWfZlaXo+HVO6HgepW1nxOAcsSF/s=' 
WHERE 
  key_id = '809b090ab0e88e9fe056f5aaa410ec0044242269958a03e98502f309e9541c1f' 
  AND (
    token = 'epZNr+pyiNnIOgVWfZlaXo+HVO6HgepW1nxOAcsSF/s=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )