UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '+rk8QXm6eTm40Hb+qXl6BW0e9+maTt5/w12dSvIOE5o=' 
WHERE 
  key_id = 'c4d28100b30d169a34d5c857107c7ef6d1fb8ada1472ec4800e1ab116aa0815f' 
  AND (
    token = '+rk8QXm6eTm40Hb+qXl6BW0e9+maTt5/w12dSvIOE5o=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )