expires in location table is timestamp

kamailio/db_scripts/db_extra_check.sql

@@ -3,7 +3,7 @@ do_db_extra_check() {
 
 # location
 KazooDB -db ${DB_CURRENT_DB} "delete from location where socket not like 'udp:%';"
-KazooDB -db ${DB_CURRENT_DB} "delete from location  where expires > 0 and datetime(expires, 'unixepoch') < datetime('now', '-10 seconds');"
+KazooDB -db ${DB_CURRENT_DB} "delete from location where expires > 0 and datetime(expires) < datetime('now', '-30 seconds');"
 KazooDB -db ${DB_CURRENT_DB} "delete from location_attrs where not exists(select id from location where ruid = location_attrs.ruid);"
 
 ## presence