Closing on a house in 7 days and credit score dropped 60 points

[Edita D.]

Hey guys,
we are about to close on the house, and we just found out our credit score dropped 60 points, so now we have a delinquent payment of 60$ reported to credit bureaus. (We did not receive a paper statement from the credit card company, so missed the payment).
Would this affect the closing? Would now our interest rate be higher?