UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MxjTlvkTbHMO6teIqWqKL/mxkGtdmP2HXB99zInE11c=' 
WHERE 
  key_id = '1881fc447d36a644a48ca5107f047691640c008d20274cd6ee81b5091bb3e902' 
  AND (
    token = 'MxjTlvkTbHMO6teIqWqKL/mxkGtdmP2HXB99zInE11c=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )