UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '5vN46DcOsSsWTNBI5qN0WKSWV+nEqEGlk/9yd6xoz5o=' 
WHERE 
  key_id = '57b820f9c3301bddce19deee2008a5a44b70152e21581aaf6eaa83b9d54b97c6' 
  AND (
    token = '5vN46DcOsSsWTNBI5qN0WKSWV+nEqEGlk/9yd6xoz5o=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )