INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '21da358d3b50057e921af7513a30f0f3eb5a2dcbdf9d140ba7a0d3347e002f3b', 
    'Xjet9lIOYyMw4D1qInEalONy7WIjq/FeryqtCmTQxbs=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00033

Result

int(1)