INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '6350004888c9816c33ca903b1378330c93abb20622427276d53c750db6d3030b', 
    'OZ5MoixJJBe5rAqejoQEGQHufTMV7IIjJAoJF0Twoz4=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00027

Result

int(1)