UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MgtYR1aqEct8Tkze0MBJGs0Unyn7L7U9Mqf6J2CoIEQ=' 
WHERE 
  key_id = 'eb51816ba55986e620b0a2589a23400a433f50cb7aade3f2baf9424d4dead854' 
  AND (
    token = 'MgtYR1aqEct8Tkze0MBJGs0Unyn7L7U9Mqf6J2CoIEQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )