UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'xWpCfqapSIC1cTreKrBZkjHcDX0kTVejDSn2jOiR7TQ=' 
WHERE 
  key_id = '81d1ba376da7a58dcdf5d16e4b4340984c19b1c75f54cdebcc58af26727105d6' 
  AND (
    token = 'xWpCfqapSIC1cTreKrBZkjHcDX0kTVejDSn2jOiR7TQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )