UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PKjV8XqpBwraVzr9tdcuC8KZd0nAV8z20x55KSvt9SA=' 
WHERE 
  key_id = '3fce36d1a4f9e94bc19a694d0b4672fa8db4ce4b633e69b8a541f12da74435f1' 
  AND (
    token = 'PKjV8XqpBwraVzr9tdcuC8KZd0nAV8z20x55KSvt9SA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )