INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '8f3781f2c82fbe982267c003ececae9e14d21fadc587276c533d16d71708634e', 
    'SaI8M0TkXqGnSFVOrdDpM1LpJMe20/0QA7T0YcX42Jk=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00039

Result

int(1)