Something exactly like this happened to me back in September 2016.
After giving me a crock excuse and telling me "company policy" would allow them to steal my accumulated vaction earned over many years, I told them they were lying sacks of fecal matter, snatched their "excuse" document off the table and stalked out.
They told me they needed the document back and the bossman even followed me out to the parking lot. I turned around, ripped it and told him to "Come and Get It". Instead, he slinked away.
They tried to contest my unemployment filing. I took it to court and won. In the meantime, I got food stamps to slow the cash burn. Five months later, I started a job with a better company and am now making more of an increase in less than two years than I got with the former crooks in eight.
Never assume that you are unemployable at age 60 or more and have to stick with a crappy job with sleazy crooked management. The Trump economy is at least partly to thank!
Who the hell goes looking for a job at 60?! I retired the month I turned 60 and have never looked back. As a first generation American born to immigrant parents, I have European citizenship rights, but why would I ever want to live there? I'm staying right here in the good ole USA.
Huzzah!