Check upr expiration when checking that seqno's increase

Change-Id: Idc5d1598e6c1221927b0a4eff8ef5651b95d7f1a
Reviewed-on: http://review.couchbase.org/38336
Reviewed-by: Sundararaman Sridharan <sundar@couchbase.com>
Tested-by: Michael Wiederhold <mike@couchbase.com>