UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'VKBJbBDGMkRJttBvk2Vmz9ZHMT7gkBMAFPAfk/H3xsg=' 
WHERE 
  key_id = '1e2f2fb32e6a0efdafcb6ac656d253a5e899a3fd88803cc7d29ac921ae92c513' 
  AND (
    token = 'VKBJbBDGMkRJttBvk2Vmz9ZHMT7gkBMAFPAfk/H3xsg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )