INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '21b4efdbf754c93b99698cb3d496a35b2260312e803175dda7a63d6ba206a41c', 
    'OlkTXUOXt1RkbFncW4Digodx3DKvk3GDFasVrv/WDgM=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00058

Result

int(1)