I returned as a mature student at 40 years old, 20 years after dropping out of uni during my placement year and 23 years post passing my ALevel qualifications. I was accepted onto my BSc course. I don't think your completed qualifications have an expiry date.
Plus, if you have been doing any paid or voluntary roles relevant in general or directly to the career you plan to pursue, you are regarded even more favourably than the standard applications.