UPDATE 
  q_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'aRT+Rq7axjUt3lmKNENMWowucqfOoUZUGXx+LdVBTQ0=' 
WHERE 
  key_id = '2f91791a62ef32b478f043742c8056a89490c73a92d3ef080f8b4c782e0db29a' 
  AND (
    token = 'aRT+Rq7axjUt3lmKNENMWowucqfOoUZUGXx+LdVBTQ0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )