I'm with monster. Sell the car and use whatever is left over to buy a cheap little car or maybe even a scooter? And put the rest on your debts. Then as they say, you just have to bite the bullet. Live lean for a while. 2 minute noodles are nice and cheap.
To answer one of your first questions, I've been where you are, although not $30k worth. I had about $20k CC debt which I paid off over a period of about 4 years. You can do it if you really try hard, and in the long run it'll be better for you if you don't have to go down any of those paths which will affect your credit rating.
I don't know if it's the same here as it is over there, but often time if you can't pay your debts, you can come to an arrangement with the CC company to pay out a certain percentage of the debt. If you're a good negotiator you might get it as low as 30% of the total once it's been sold to the collection agency, which happens after you tell the bank you can't pay. That will still give you a mark on your credit rating, but not a bad one.
You're only in your 20's aren't you bbro? You'll be able to recover from this.