UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'nxQRMrzf4aNvyqaFtKc0TDx5iRycQn1PS1fzqKOUfco=' 
WHERE 
  key_id = '7889cf6931bf6d7751e2f0e004c042e5e0952cdc23de6f1164ff931472f936a3' 
  AND (
    token = 'nxQRMrzf4aNvyqaFtKc0TDx5iRycQn1PS1fzqKOUfco=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )