UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'x5sTkkLvGtfeFz4+xJOxIfvWetIYJ5OW02/I8MQWmmY=' 
WHERE 
  key_id = '55c5b1cde9bb20b74453780fe9356c7c92e7663ae81e8c2238fb6e3c6e024553' 
  AND (
    token = 'x5sTkkLvGtfeFz4+xJOxIfvWetIYJ5OW02/I8MQWmmY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )