gistfile1.txt

function cleanUpLong(max_running_secs) {
    var currentOps = db.currentOp({
            $and: [
                { op: "query" },
                { msg: { $exists: false } }, // not a sharding operation!
                { secs_running: { $gt: max_running_secs } },
                {"ns": "backstage.action_loc" }
            ]
    });
    currentOps.inprog.forEach(function (op) {
        db.killOp(op.opid)
    })
}

lining up appropriate parts of the query.