UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Rp7jkYzhGtJGZA14BeAuIHMgjKTRUqDw4rOiXsHpAho=' 
WHERE 
  key_id = '18840149d9317b210cee8ad471d152f394fb220d207ee6bf9ef2f1941a4fc8a4' 
  AND (
    token = 'Rp7jkYzhGtJGZA14BeAuIHMgjKTRUqDw4rOiXsHpAho=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )