INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '821d71652a4759e00683cf192b8d1d108a58e49a1da27138593d86895811b8af', 
    '/5AHLOi2NRiIBWaDYtWBubd9/Oy4qvPtqKDrcnvLrEw=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00021

Result

int(1)