INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '16d9168a8fd3775bccd0e0e8f2c93c509d26eaba495aca99946a468a6cf78852', 
    'PQVc8PWgAqFot9L8XhXwKDyATVpcTbC7gGP0qO3at/E=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00027

Result

int(1)