UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'LcPi3/gE3qKML1Gw1WpSntXzrh8rFgk1klgtMS7az4M=' 
WHERE 
  key_id = '1495f76b263689b882683106b04f2e13fb40387508451bef1286f3b04434b274' 
  AND (
    token = 'LcPi3/gE3qKML1Gw1WpSntXzrh8rFgk1klgtMS7az4M=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )