async def METHOD_NAME(self):
    async with self.engine.acquire() as conn:
        stmt = sa.select(
            [
                orm.api_keys.c.display_name,
            ]
        ).where(orm.api_keys.c.user_id == self.user_id)
        result: ResultProxy = await conn.execute(stmt)
        return [r.display_name for r in await result.fetchall()]