INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '50850a9fda5e7a5773ec04ed76021a194741d7df353bf141f93e4a7080cfe8e6', 
    'Vb3cYDaEA3AQ8RzsSQ5jxgzujK8yot3nUKJlbZc6LgQ=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00027

Result

int(1)