UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'z/DpUhBNr0yl9UfTzcyisyqdzhAYAoyBZrx98LYoENs=' 
WHERE 
  key_id = '704d68f1753354e5d9daaeac0888a6d55f31892c9318e5b612f1bf3c71ce1ada' 
  AND (
    token = 'z/DpUhBNr0yl9UfTzcyisyqdzhAYAoyBZrx98LYoENs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )