I had a similar issue. I spilled Pomegranate Blueberry juice (fancy, I know) on on side of my Mac's keyboard. I took some of you all's advice and applied baby oil. I found that it worked a little bit, but it was still a little bit sticky. I then took Isopropyl alcohol and applied it by lifting up the edges a little bit. I find that my keyboard is working a lot better. I think I may apply the alcohol a couple more times throughout the day and then maybe some more baby oil after I am sure I got it all out.
Another note, when you lift up the top edge, more of the key pops off. When I did this, I was able to see under the key and could see the juice on the key, and was able to clean it off with the alcohol. So I may do this the next time for more of the keys. It was a little frightening at first, but just be careful and it'll be fine.
I hope you all find this helpful. If not, I certainly found the previous comments helpful.