UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'NhmcVUBerWGLaBYN/rtnRjIovzb8wFcvWkUoE/YnVMI=' 
WHERE 
  key_id = '47bb97da8a5e87995f57e1bc6549c2ff82fcc030771d0f125c47ea487563832f' 
  AND (
    token = 'NhmcVUBerWGLaBYN/rtnRjIovzb8wFcvWkUoE/YnVMI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )