$ticket = $lbFactory->getEmptyTransactionTicket( __METHOD__ );
$dbw = $services->getDBLoadBalancer()->getConnection( DB_MASTER );
- $lockKey = $dbw->getDomainID() . ':usergroups-prune'; // specific to this wiki
+ $lockKey = "{$dbw->getDomainID()}:UserGroupMembership:purge"; // per-wiki
$scopedLock = $dbw->getScopedLockAndFlush( $lockKey, __METHOD__, 0 );
if ( !$scopedLock ) {
return false; // already running