INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '39456c5136ea003bf55e05eb349bfcf84ceab0223feea845210847dc0a9748e8', 
    'NS8MT0lQq8MJYYV8C5mixcil0XU730ng3RroeVVvhYU=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00042

Result

int(1)