INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '8a661678325869b1a6fa011c42603794cf953ded429e85ddf04e2f28fced3b4a', 
    'a6L8JcqguAHCeN4adZTqxYHirpfT1x0hUJ7xWkd1wms=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00063

Result

int(1)