INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'ca2efd618c58e2bdb3f86e7606427fc099b401b4cb564235b3a3f5af75656673', 
    'UwKZFM+jQSEOQXjhyB7WykHNXOUdQqktRS9PnWPS1OY=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00027

Result

int(1)