UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Vm3X2eloE1DYOjJKB1lmkL7aoLRWsICXx7zEmAADA4I=' 
WHERE 
  key_id = '8e84c74c8223aa2cc1ffd3627b37d3f1418a032bcae7130a3c711046b1b232ab' 
  AND (
    token = 'Vm3X2eloE1DYOjJKB1lmkL7aoLRWsICXx7zEmAADA4I=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )