proper escape single quote

kamailio/presence_notify_sync-role.cfg

@@ -82,7 +82,7 @@ event_route[presence:notify-reply]
     }
 
     if(@cfg_get.kazoo.presence_notify_log_to_table == 1) {
-       $var(Query) = $_s(REPLACE INTO active_watchers_log (presentity_uri, watcher_username, watcher_domain, event, callid, to_user, to_domain, user_agent, time, result, sent_msg, received_msg) VALUES ("$subs(uri)", "$subs(watcher_username)", "$subs(watcher_domain)", "$subs(event)","$subs(callid)","$subs(to_user)","$subs(to_domain)", "$(subs(user_agent){s.escape.common}{s.replace,\','}{s.replace,$$,})", $TS, $notify_reply($rs), '$(mb{s.escape.common}{s.replace,\','}{s.replace,$$,})', '$(notify_reply($mb){s.escape.common}{s.replace,\','}{s.replace,$$,})'));   
+       $var(Query) = $_s(REPLACE INTO active_watchers_log (presentity_uri, watcher_username, watcher_domain, event, callid, to_user, to_domain, user_agent, time, result, sent_msg, received_msg) VALUES ("$subs(uri)", "$subs(watcher_username)", "$subs(watcher_domain)", "$subs(event)","$subs(callid)","$subs(to_user)","$subs(to_domain)", '$(subs(user_agent){s.escape.common}{s.replace,\',''}{s.replace,$$,})', $TS, $notify_reply($rs), '$(mb{s.escape.common}{s.replace,\',''}{s.replace,$$,})', '$(notify_reply($mb){s.escape.common}{s.replace,\',''}{s.replace,$$,})'));   
        mq_add("presence_last_notity", "$subs(callid)", "$var(Query)");
     }
 }