INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '321b8c3bc63558216e1903a61326720bd9cfe4300709abb138482be254c3f54e', 
    '0LXzTE+Jectce9Bung9St6BY6yzfMrXiMzezugstyEg=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00026

Result

int(1)