UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'WAvwE8jY3V/UWmQrotekAKEIqgb07NsLNZDhWeGU8IU=' 
WHERE 
  key_id = '284ca2adcbcaed2519be9b919e95c6d2bf1d7d0170a65488d0a31a30786cedb0' 
  AND (
    token = 'WAvwE8jY3V/UWmQrotekAKEIqgb07NsLNZDhWeGU8IU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )