UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MPDotNL+GXlW2fcTv5Enk9xO4AqwXtzeSAd92151/m4=' 
WHERE 
  key_id = '0293937d0ac8b034986be0586fe82832c46d9085b5d6096974d55b34ba26f47d' 
  AND (
    token = 'MPDotNL+GXlW2fcTv5Enk9xO4AqwXtzeSAd92151/m4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )