INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '6b8da75ab9d9a6f23682b34675a81f2538a3631908674f7c2dbcccc9ca635bcf', 
    'TRQU1KL1Jyz39YnrYPNzZ1BhIlIW9m1gugZQbE8VWUk=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00033

Result

int(1)