UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'kPDkrKdEby1GXBYOm3G9gB7/9yTpcsIVWevWCK+cBGE=' 
WHERE 
  key_id = 'c452040680106b5a22ec802d38f5e3a23528d2c4af76ec7b58a5e3e3affab785' 
  AND (
    token = 'kPDkrKdEby1GXBYOm3G9gB7/9yTpcsIVWevWCK+cBGE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )