Please kindly understand that we can't change the period after booking. Also, as per checking, the certificate you provided refer to the same ref#40279376, and already been renewed to 17-MAY-2017 by another partner before PO 1110072159, so that the period is from 18-MAY-2017 to 17-MAY-2018 in PO 1110072159.
Please kindly consider to submit external RMA if necessary.