INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '88732af87455bcef737dcbffaba5544e43b5c5bbf2457a6764837f351dd8723d', 
    'chLD9qwGIkHp9XVQBTmWIpaAn/YimT24QsA8jurEYvo=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00027

Result

int(1)