Database
[{_id:"5fd3e48eac3f2b3ede0a6a52",sent_in:{date:"2020-12-11T21:28:46.760Z",short_date:"2020-12-11T21:28:46.760Z"},sender_id:266,app_id:190,message_type_id:1,title:"",body:"",schedule:{date:ISODate("2020-12-13T17:00:00.000Z"),short_date:"2020-12-13T17:00:00.000Z"},ip:"172.31.55.83",status:4}]
Query
db.collection.find({$and:[{status:{$in:[3,4]}},{$or:[{schedule:{$exists:false}},{"schedule.date":{$lte:ISODate("2020-12-13T15:33:00.000Z")}}]}]})