REQUIRE_RC(MEMCACHED_NOTFOUND, memcached_touch_by_key(memc, S(__func__), S(__func__), 60));
REQUIRE_SUCCESS(memcached_set_by_key(memc, S(__func__), S(__func__), S(__func__), 2, 0));
REQUIRE_RC(MEMCACHED_NOTFOUND, memcached_touch_by_key(memc, S(__func__), S(__func__), 60));
REQUIRE_SUCCESS(memcached_set_by_key(memc, S(__func__), S(__func__), S(__func__), 2, 0));