UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ewX6yCDcGBnbJm2UEw1W0Pv0Wmii1OdBv0E9RIQfwzA=' 
WHERE 
  key_id = 'fc796939835f2b54d253c1e197eebc568fbbed6431fda8a747d5ffa77d0a046c' 
  AND (
    token = 'ewX6yCDcGBnbJm2UEw1W0Pv0Wmii1OdBv0E9RIQfwzA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )