UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'U9RY3cpRBPM6X3zJh1LcGOM5CQiybOFRArP+rkbMPVc=' 
WHERE 
  key_id = '93af700bdaba369b8a0ab27022d04b91c5f0eee5935d4748d2ffb41c2f778046' 
  AND (
    token = 'U9RY3cpRBPM6X3zJh1LcGOM5CQiybOFRArP+rkbMPVc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )