UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Sxe6638c1Md/DPQOGBAMXPHpndYuCUMrIV2brLJ5gYc=' 
WHERE 
  key_id = '6c38da834ca021531ad836f1e718a781f42b856e9f0ab80f80825f9be363186e' 
  AND (
    token = 'Sxe6638c1Md/DPQOGBAMXPHpndYuCUMrIV2brLJ5gYc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )