$date= ParseDate("in 90 days");
$date= UnixDate( $date => '%Y-%m-%d' );
print "Date: $date\n"; # 2004-08-08

$rows=$dbh->do("INSERT INTO appCancel (appt_date,status, no_cancel, city)
                        VALUES('$date'  , 'U'  , '0'      , 'M')") ||

                      die "Couldn't insert record : $DBI::errstr";