UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'cA4VR0QGMZH7pJZrkZF/u6O88Q99JW03zizqVH0qrbo=' 
WHERE 
  key_id = 'ebcba819541dbcccded705f4739623dcee3ebbcf3a9798604d092b009f7f56f9' 
  AND (
    token = 'cA4VR0QGMZH7pJZrkZF/u6O88Q99JW03zizqVH0qrbo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )