not if they over a certain date from the date on the cheque.
the point being made was that you might struggle to get someone to issue a new cheque from 4 years ago. did you find it at the back of a drawer?
"How long are cheques valid for? We reserve the right not to pay a cheque that is older than 6 months (from the date written on the front of the cheque). If you have a cheque dated 6 months or more ago it may not clear and you should contact the issuer of that cheque and ask for a replacement"