gistfile1.js

var videoIds = {
  setOne: [1, 2, 3, 4, 5],
  setTwo: [6, 7, 8, 9, 10]
};

var query = new Keen.Query("count", {
  eventCollection: "videos",
  filters: [
    {
      property_name: 'video_id',
      operator: 'in',
      property_value: videoIds.setOne
    },
    {
      property_name: 'video_id',
      operator: 'in',
      property_value: videoIds.setTwo
    }
  ]
});