INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '994def52807371e8f6ff466c236f94cfe233dc7d8da6c0eebfc4badadf715816', 
    'L5EFt8srykqby5d9XZDaFX3Y6jfPu6RSUBL7+QZcg+0=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00034

Result

int(1)