I agree -- try a part-time program and do not be discouraged about your age factor. I am even older than you are -- by more than 10 years --and have talked to various schools who WANT older applicants. They seek them! One school in the NY area told me they graduated a 73 year old recently and honored him at graduation! You have clearly succeeded in the field of law already and will be a catch for a decent school. After all, I am not convinced older students are aiming to land beginner positions at big firms. You are there! And if you can even consider stepping out of state for a while, perhaps arranging a PT commute and living arrangement, you'll find more and more options.
Congratulations -- and don't give up. You will add so much to a school and the field and consumers NEED you...good luck!