Cheque expiry

suppose Mr X is creditor of a company.He receive a sum amount of RS 10 thousand in cheque.

I enter in my company a/c as

Mr x a/c    Dr       10,000

    TO particular Bank A/C

but some how he didnot present the cheque at bank till the expiry of the cheque

so what i do for this

if i reverse the entry he will be a creditor of the company.

case-1, if he claim the amount it will be adjusted by issue of new cheque

case-2 if he not claim wht will i do.....??????