UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PDK5ZpW9caMofOzmkhNnqI8djfne1eDLIwsdkTMTEiA=' 
WHERE 
  key_id = '855d6ffa3473ac2f56d8bf8dcce51c450a6791fdb217085eecd06064a9c17ba3' 
  AND (
    token = 'PDK5ZpW9caMofOzmkhNnqI8djfne1eDLIwsdkTMTEiA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )