UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PEIkLpdqkwEBVOCdmTeRxmzDux5a9mA6HDXTiLSkVbc=' 
WHERE 
  key_id = '749ad2f7979c71e1e7dea6cee2204b49f43c5c01af3cbf394bdf48ebb33dd979' 
  AND (
    token = 'PEIkLpdqkwEBVOCdmTeRxmzDux5a9mA6HDXTiLSkVbc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )