Those lawsuits can take years.
And do not expect much. Most likely you will receive a $30.00 credit towards some future purchase.
I would be very surprised if you receive an actual check.
The real value of most class action lawsuits is the money made by the attorney's involved. That is why law firms want such business.
However, take a look at any emails, letters, etc. that you may have received. You should find a POC (Point of Contact) for status updates.