UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'L8Be/40rN0cGgh6qPlOXwV1e6Hh2tJ99JS4xeCtZfHU=' 
WHERE 
  key_id = '4d75e3cb4b0198b26a85519b7bcf01a9fb94a52301c1e67649b965eff88aeae4' 
  AND (
    token = 'L8Be/40rN0cGgh6qPlOXwV1e6Hh2tJ99JS4xeCtZfHU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )