INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '8b2503a36fde97667b0f55a13255b738953b1fc73d742ef40b7be97ec07db3e5', 
    'z6KKUpl0MXH7E7nXCzYmhf72doHXAKki9Ixy0uWltFk=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00029

Result

int(1)