INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '6d571e178b64257b31621e648a6139716768865ec1366d3c10218921480ec2fc', 
    'M+V2/8XFyzxnZEUL8TubM1cWb7ZR3QUcqRwjOpfhDew=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00041

Result

int(1)