UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'CJzPDrbYLg5yzwO26x55z7tt7zvtA9fhW/uMsXdxEnM=' 
WHERE 
  key_id = 'a6d4c908ffdfc87f2d29881d88ad2cf8b187887d56e017bd90f73c36be1494ad' 
  AND (
    token = 'CJzPDrbYLg5yzwO26x55z7tt7zvtA9fhW/uMsXdxEnM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )