SELECT Max(log_timestamp),
Max(rev_timestamp),
user_name
FROM user
JOIN user_groups
ON ( user_id = ug_user )
JOIN logging_userindex
ON( log_user = user_id )
JOIN revision_userindex
ON ( rev_user = user_id )
WHERE ug_group = 'sysop'
AND (SELECT Max(log_timestamp)
FROM logging_userindex
WHERE log_user = user_id
LIMIT 1) < '20170204000000'
AND (SELECT Max(rev_timestamp)
FROM revision_userindex
WHERE log_user = user_id
LIMIT 1) < '20170204000000';