INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'a39568d44d35d68e01668772cba10fdf36266ce573bf98b93c1b30e93c7346ce', 
    'mXJKaovLuDpDux6QJxZa9p/sJXQPlTfzKHnBRAJhZmM=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00033

Result

int(1)