ProgrammingError: (psycopg2.errors.UndefinedColumn) column "keys_changed_at" does not exist
LINE 3:     keys_changed_at, node
            ^

[SQL: select
    uid, generation, client_state, created_at, replaced_at,
    keys_changed_at, node
from
    users
where
    email = %(email)s
and
    service = %(service)s
order by
    created_at desc, uid desc
limit
    20
]
[parameters: {'email': u'REDACTED@api.accounts.firefox.com', 'service': u'sync-1.5'}]