INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '9b21540dbc4e4c391aaf4de9975731b0730b8b2b29619a79584244653e4df88e', 
    'etw0ggjw632b7PXbTt4+3dZd0wArlK57TmMEtJboOZ8=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00034

Result

int(1)