UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MF2PFT5gkblRGjvIAFeW55Xm7JNm+BP4tNt5UaIle5M=' 
WHERE 
  key_id = '31e524aa6c3465fdaae0852927b1a3141bd02e98b881be86d739490ebe31016a' 
  AND (
    token = 'MF2PFT5gkblRGjvIAFeW55Xm7JNm+BP4tNt5UaIle5M=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )