UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'xT/UaRlOesFumLs3ZfVdgZAYlFVijKJbch8R8g+a93I=' 
WHERE 
  key_id = '3eb504c6eb3e63df490ac7b387b6addea781d3a9a5291a118523c31a4279d168' 
  AND (
    token = 'xT/UaRlOesFumLs3ZfVdgZAYlFVijKJbch8R8g+a93I=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )