INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '8b8c6e69ef482d05f8215afa46cdea4fa14631a02fef3ae297c4509c2ababd81', 
    'Qgw8Xh7fYJS7/af2gDy0ueJe+8a5DtnREeAlLaSIIlk=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00034

Result

int(1)