Nope. If Lancashire can get 9 wickets in the 130 overs in their game we would have to win. They can still beat us if we draw with maximum bonus points and they win with maximum bonus points.
Looks like we could concievably get to 600. I propose bat steadily until midday with Prior and Tucker staying in which should get us past 500 and then throw the bat about until everyone is out (or declaring so Lewry and Kirtley don't have to bat).