INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'c16d9cf4927bb44c9742bb1030e455396966e7a092e6ce46ad2763944d746f2f', 
    '1uHYsJc57OZcBtWZiyKb0NHSkZrt6bdjKoMh0IcIfCo=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00041

Result

int(1)