UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '/txCGm2mP1DpypgwY3sTkbrryI0fTzbQCzzYNvEa/y8=' 
WHERE 
  key_id = '842e2cd48ca01b47ddfba9f8aba3ad7314f934f373cc74810915e4c85d646831' 
  AND (
    token = '/txCGm2mP1DpypgwY3sTkbrryI0fTzbQCzzYNvEa/y8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )