INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '276a3c58249cab41e1555057e6daaaa298119bdd2872fe95f073eede4c6171a0', 
    'VKkCf4xWOXjO6p3g99PaT10E0CTS6zQyJ//gMOYT+ZI=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00020

Result

int(1)