UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'dN+6l4+uYxnUu3bq5xUQsyEjCtjrsw3RFGuZJIEEvxo=' 
WHERE 
  key_id = '8e98dddf515f9a12150162481e7564a124fa07819f0a95975a9ff22f3f5d77b7' 
  AND (
    token = 'dN+6l4+uYxnUu3bq5xUQsyEjCtjrsw3RFGuZJIEEvxo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )