INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '831c8a1fb49a96d06306f3d4ca9cb6678e13295ac92f5dc29fd3e406cbd0fadc', 
    'Ury9NoC19moWuChsfGIxyxTP512ewk4QQZrTQdrIdBw=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00025

Result

int(1)