Yes, it's possible. I really don't know what to tell you but it's possible that she will recover now that you've increased the heat a bit. Sorry that you burned the blanket, hopefully the bulb won't burn out now. Is it giving off any odors ? Be sure to have a spare bulb on hand. You can actually use Halogen bulbs like this for heat, get them at Walmart or possibly Home Depot, a 4 pack for about $ 6:
https://www.beardeddragon.org/media/29993/full
As for the 5 hour trip, you'll have to decide if you're going to do it. I really feel for you trying to decide what to do.