INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '81f1ad6bc79d963411f64608219f69b32c0e7d2f98461862de7a985c5c5ed73e', 
    'YnkAIcCTF4zPnm/mLCAbXuVrKlvK9WsVmlrJ70ubbHw=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00033

Result

int(1)