INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '751d6692666f8d1921529b1f10403a8c3db4c54aebcba1550fed4c974625147e', 
    'NXt0DVOdqjllkr1v9P1T9OWbecVTObPa3be59sUiCUA=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00026

Result

int(1)