UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'KFRy2rdpIiPO5uhik1SP+pgCrai7grtUdCUJL5B8IEI=' 
WHERE 
  key_id = 'fc74aea2c4992c295197b4b019ff9a1e99e480b07938f87a0d7deab507e50591' 
  AND (
    token = 'KFRy2rdpIiPO5uhik1SP+pgCrai7grtUdCUJL5B8IEI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )