UPDATE 
  q_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'H2+39aCVDtbub9STWOmyprJfNz+oh5JhCs9zn6eCwjI=' 
WHERE 
  key_id = '1d484731dcb40ed03265be475ae76ba85a8bba7c6bbd3b4c0bc3ec3cb43c9ac6' 
  AND (
    token = 'H2+39aCVDtbub9STWOmyprJfNz+oh5JhCs9zn6eCwjI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )