UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'LjGpelYtlttE7UnWXLlvccjBG+GW/MIbBnzds8ZJ3Os=' 
WHERE 
  key_id = '518a8b9422862d167d0c8d6bad6aa957d7f8ed62c0595e69254ad33a32a1b698' 
  AND (
    token = 'LjGpelYtlttE7UnWXLlvccjBG+GW/MIbBnzds8ZJ3Os=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )