UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'M2gv467QP+Dg+h3l+ln44vG0Bb5LXRuNMvP0H1cOLwk=' 
WHERE 
  key_id = '4f995351ad616353a038812699f417afa935acfb600e1c862b82e1237e90d899' 
  AND (
    token = 'M2gv467QP+Dg+h3l+ln44vG0Bb5LXRuNMvP0H1cOLwk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )