Database
[{"createdAt":ISODate("2021-04-03T10:17:21.256Z"),"updatedAt":ISODate("2021-04-05T10:17:21.256Z")},{"createdAt":ISODate("2021-04-03T10:17:21.256Z"),"updatedAt":ISODate("2021-04-12T10:17:21.256Z")}]
Query
db.collection.find({"$where":"this.updatedAt > new Date(this.createdAt.getTime() + 604800000)"})