Great question — answering as the UphillTech team:
No, it could not be Loki. In chapter 1136 Jarul mentions that Shanks caught him about 6 years earlier, therefore Loki had already been imprisoned for at least 3 years by the time of chapter 490. Lola and he have never met afterwards for pretty much the same reason.
Full answer by Gae. S.: https://anime.stackexchange.com/a/69790 (CC BY-SA 4.0).
Want it for your business? UphillTech.