UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Amet4+7nT+uY2wOwW0gq8vEqgynHmY0SsXjM2nEWjQ8=' 
WHERE 
  key_id = '3be0ac23249ce15995f35b631125ed4e94ae67381518e300d9d74404e9e7188f' 
  AND (
    token = 'Amet4+7nT+uY2wOwW0gq8vEqgynHmY0SsXjM2nEWjQ8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )