UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'rsg4LMjPj12EBJCzFsOvpWfPchbC+iY/avpfxVBJm5k=' 
WHERE 
  key_id = '6ef0019c99dbb97464d0b8417f71c4b8051859839e22b4f0a63434939f37987f' 
  AND (
    token = 'rsg4LMjPj12EBJCzFsOvpWfPchbC+iY/avpfxVBJm5k=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )