PHP, Ajax, Java, apps? You are on the subjects that are hot hot hot in most tech segments. Your experience with customers and the business side of things is a real asset and will be considered a major plus for any reasonable employer. You will not be suited for all possible coding jobs, but nobody is. Age is only considered a determent because people think that you will be stuck up and set in your ways. Show that you are flexible and hungry for new challenges. If you are looking in Seattle, SF, New York or other comparable market you will find a home. Maybe not tomorrow, but soon enough. Concentrate on your strengths, be awesome, be passionate and the world is your oyster.
Buy a whiteboard and google for interview questions and write code in dry-erase every day. Once you get in the interview chair you will be ready.
And best of luck to you.