UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'GCRqGPj1pNdhvGcps0WxIatYXO21bOv1zkrNWGVsf9I=' 
WHERE 
  key_id = '300eb5bb607f431f0d7a4fd3250bbc315b06d51b6360587577e36c3658d6f259' 
  AND (
    token = 'GCRqGPj1pNdhvGcps0WxIatYXO21bOv1zkrNWGVsf9I=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )