UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'r87AtDL/IMq0EX7uHp4wbTmWWnQrq9hmLooXpaLIKWs=' 
WHERE 
  key_id = 'e871236f1e287e5668243adf1695a412b417023de2b35255c096b55e14ebd5d7' 
  AND (
    token = 'r87AtDL/IMq0EX7uHp4wbTmWWnQrq9hmLooXpaLIKWs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )