UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'wNjZWVU6gSIMs1vPlYBuOYx6IIj1XnXvszdSXTokQEo=' 
WHERE 
  key_id = '4ca9a5992734ad80a51a8d9e647c019f9e42a81174b44aad04aa0c7e4ff77669' 
  AND (
    token = 'wNjZWVU6gSIMs1vPlYBuOYx6IIj1XnXvszdSXTokQEo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )