UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '/zxWchICQ5jU5bfi26HjKO2CxIADXZWQNQXJbE88XlI=' 
WHERE 
  key_id = '68d1331d17bd742e016263e77900381873eea34011fc626293c460da032e05c7' 
  AND (
    token = '/zxWchICQ5jU5bfi26HjKO2CxIADXZWQNQXJbE88XlI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )