UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'VMr/kMhgAx/iSlq4Arx6qY9zyPE0LVPTSxAmlw278hs=' 
WHERE 
  key_id = '38d354f69365c835203a4718c622e56ddf3f9d1de35eccb8df8c99015c0ab9a4' 
  AND (
    token = 'VMr/kMhgAx/iSlq4Arx6qY9zyPE0LVPTSxAmlw278hs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )