INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '326b2d8de1b1ca5702ef045658894f6e07693eb309d781efe6ece793657b658f', 
    'sa9+p8fZZwbKq2uro8psHSZug7PGG9PBZ38iFXgKaws=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00037

Result

int(1)