Given that some colleges require all SAT scores, how much would less-than-stellar scores from 4/5 years back count? Are those scores even still valid?
Colleges will consider your best scores even if they require all scores
Have they expired? No, not if you took them in 9th grade or later, but scores older than 5 years will be accompanied with a note;
https://collegereadiness.collegeboard.org/sat/scores/sending-scores/old-scores
Will a college accept scores that old? Depends upon the college.