I recommend not using the reorder script but rather this one:
(Because, with the reorder script you WILL be burning things you shouldn’t)
(Remember to disable it once you’ve caught up!)
Other than that, I’ll second @Grawlix - do more reviews than you have due the next day, and you’ll slowly be seeing progress. If you don’t do any new lessons (seriously, don’t), even 10 reviews a day will eventually get you to the bottom of your pile. Use the wrap up button liberally.