INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '1bb8eff21a728fdee96e2740b7d3d93b2b0639488271d085eefbcd524e0ea291', 
    'ROXdZUuVdXKhRGu9BaEOaKpG/zT4XPM6TvZnm2IYxqs=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00022

Result

int(1)