UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'xM7D9ZbIMH/asWqQhNwOFaBdtLO6XClcjs7++T30Dq0=' 
WHERE 
  key_id = 'b51227d0cc0f72f723218951675762cf8632a324170e98c8e6362050b317a649' 
  AND (
    token = 'xM7D9ZbIMH/asWqQhNwOFaBdtLO6XClcjs7++T30Dq0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )