UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Qt+EhTGJKHs4sW3NGAVwHQllSOyGFktQE99sRGnBS24=' 
WHERE 
  key_id = '817c91f04b12e338fa0fa000e7aa964debc29a61a69710722a388be87f30c23d' 
  AND (
    token = 'Qt+EhTGJKHs4sW3NGAVwHQllSOyGFktQE99sRGnBS24=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )