UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '9MytF6i+H+W/tEbqweTgZ76yKHLZibFwlBL+JYhH1/o=' 
WHERE 
  key_id = 'da55ace8d157f4d8af5922e01ea09e67bca16ec5fb620cfe70ba9188c24a02a3' 
  AND (
    token = '9MytF6i+H+W/tEbqweTgZ76yKHLZibFwlBL+JYhH1/o=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )