INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '21fcc5b3dd9698409810b1d3ab07666981b3464a0fdb74473fc0e6535ecf638f', 
    'vzibL68mamUMHY4zd5Sl85JeI6tHJ5G0hr0RIBsHS8E=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00026

Result

int(1)