Lots of good suggestions here, but they miss the elephant in the room: you are trapped and you feel that. It seems like a lot of your anxiety stems from that.
My only suggestion would be to "climb out" of this trap. Since you can't find another job in your town (https://news.ycombinator.com/item?id=21620176), try looking fo remote job openings. Freelancing and starting your own business are options as well, but I won't recommend them for you, at least for now.
Start looking here
All the best