While not functionality built into the public API (Kraken). The video manager uses a request similar the one below which you might be able to try your channel_editor token with it.
POST /api/channels/CHANNEL/video_manager/v0000000/create_highlight
Host: api.twitch.tv
Content-Type: application/x-www-form-urlencoded; charset=UTF-8
Accept: application/vnd.twitchtv.v2+json
Form Data:
start_time=8
end_time=50
title=Test+Title
description=Test+Desc
game=Minecraft
language=en
tag_list=tag1%2C+tag2