UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Tm+hPAQaqraT09D6JlAeaUfZPSExTucxQqDKI7QnPy0=' 
WHERE 
  key_id = '1c85804f39cc7645e1fea5fb8cd8af00b3786a856e1fb53d6bff6c78a618a041' 
  AND (
    token = 'Tm+hPAQaqraT09D6JlAeaUfZPSExTucxQqDKI7QnPy0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )