It took over three months for my FOID "renewal". After 90 days I called my state senator's office and spoke to an administrative assistant. The next day she called back and said the Illinois State Police are processing the application. I had the card five days later. Calliing your state senator or representative is the best way to get your FOID card if it's been longer than 30 days. The good folks at the Illinois Carry forum swear by this advice, and it worked for me.
Regret for the things we did can be tempered by time; it is regret for the things we did not do that is inconsolable."
-Sydney J. Harris