UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 't4Dbt0CUigxpZR1EkqBiwZdVPIAt4IYI7fsuvMsP7iA=' 
WHERE 
  key_id = 'c6c79e33acde580f57ebd7367885a2d8504edfb363069239a280edd3ddcdd358' 
  AND (
    token = 't4Dbt0CUigxpZR1EkqBiwZdVPIAt4IYI7fsuvMsP7iA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )