UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'xkTrVjn6JCX3N8kBWDCz8qa3ppzxhjU4EdCwW2k87e0=' 
WHERE 
  key_id = '6ac8f41ad7654a72b8b766dad67d849a5612b8453a30384aebfd45ae5ee83201' 
  AND (
    token = 'xkTrVjn6JCX3N8kBWDCz8qa3ppzxhjU4EdCwW2k87e0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )