UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Lz9DVORMKdcg9MT9NrXF01MCedxBsZPu7pd/zL8cOWE=' 
WHERE 
  key_id = '87f40b0da8f13b9d0a20915116956a475c04c99940be0dcd2de31f26289195b3' 
  AND (
    token = 'Lz9DVORMKdcg9MT9NrXF01MCedxBsZPu7pd/zL8cOWE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )