UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'yjQI0O49W+hLgm6BvrLFN7WwGAEVLImz0pj+Ji9sTak=' 
WHERE 
  key_id = '6a2c4e1d1795cbf981fe94cd77e32e88f383462eb93eb2b303ebb698236e4654' 
  AND (
    token = 'yjQI0O49W+hLgm6BvrLFN7WwGAEVLImz0pj+Ji9sTak=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )