INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '51cb8768ee3e8268f76c632cfc3cb4ddfc3456f5a5b81357087fe66d0d2e64e2', 
    'MnlpfB7IbOXqqXT5Dwtbj9N5zXjEBSL4h7GhfU0rxQk=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00029

Result

int(1)