[{_id:"a45ea2",array:[{_id:"3fa5ce",property:"qwe"},{_id:"5f5f1b",property:"asd"},]},{_id:"cd7114",array:[{_id:"27f580",property:"qwe"},{_id:"2f33dd",property:"asd"},]}]

db.collection.update({},{$set:{"array.$[elem].property":"00000"}},{arrayFilters:[{"elem._id":"5f5f1b"}]})