In my experience, fortunately thus far as only an interested observor, not having paid the salaries by the 22nd of the month , is often a precursor to the big bang
It actually sounds this time like they dont have the goddam money, rather than just wanting to hang on to it a bit longer as seems to have been the case in the past.
You have already worked for free for 50 days, I wouldnt suggest exceeding this number by too many more if you can find another option.