INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'b6a447fff3f617d900096873eff5bb1ca0e0036db316e11f9d41f68ff699d831', 
    'u8/uzFzNowfXOZevtzH19CYZrM6PpOIejjxkUKLoD1c=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00021

Result

int(1)