INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '539e6e08ed00a69b23eba231455b4dcefa955eef5dfd1161c250c4793e6ff4c4', 
    '7HRFPmaMQkhVD3ynIoyAQxdYk6dRg/QYIRV1ymUHJVE=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00039

Result

int(1)