UPDATE 
  q_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Dpad5OGcX3a4+7uQWlMn6Goet/iwTNUG7Y/SnQjJi7U=' 
WHERE 
  key_id = '68ac6bf81e4f404b1773be100469b383b4216add0b0fe815ee8c81bef669b5c2' 
  AND (
    token = 'Dpad5OGcX3a4+7uQWlMn6Goet/iwTNUG7Y/SnQjJi7U=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )