UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'VPTngs3weHYGUlrRatU0znIXO6w6pv0XxanhFEuLptY=' 
WHERE 
  key_id = 'cd56d0760264420de67c9a71bc2b5cd401a7563dee4d853561c9d1df4fd23ff4' 
  AND (
    token = 'VPTngs3weHYGUlrRatU0znIXO6w6pv0XxanhFEuLptY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )