Your best and easiest bet is to keep messaging support and keep complaining without fail until they finally resolve your situation. In my experience as long as you are a pain in the ass they will quickly discover its easier to fix your problem than to keep delaying it.
Very unfortunate but very true. Even in real life, I find I have to spend hours and hours complaining and asking. When it comes to business, everyone is happy to take your money but if it's about refunds, payments, returns etc. you have to keep bugging them until some higher management decides to solve your issue.
