UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'N+0M2sITek1Sv3qhLsIMmrBMSOFSUqmbmVVT9heiFHY=' 
WHERE 
  key_id = '79541b980742e09178b9a8ab0689cbd0b4a52f21d0895b15e42556339144a3cd' 
  AND (
    token = 'N+0M2sITek1Sv3qhLsIMmrBMSOFSUqmbmVVT9heiFHY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )