INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '1b968aea22d3a11e147a1dd3ff64a8e2e9ee2f93dc576afac04bbbb43859244a', 
    'vxyS7CMEQQBsh5JZc94+XO0zgWZgxk6aZb91Wy04WGo=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00027

Result

int(1)