Not knowledgeable
but do the sums on a spreadsheet for your 3 scenarios. You will see exactly what you will receive per month.
Yes, leaving at 54 gives you 2 EDP's, but who says you will be around to get your hands on the final one at 65?
If you are within a couple of years of 55, stay and get the full whack. I'd rather live rich, rather than be dead rich
But if you have a job to go to now; go!