UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '31A55rfsGKxnAYH8Ctp2X5Aj3gN7ox6db1zDCdlgAyw=' 
WHERE 
  key_id = 'a7708227d4563e08a503a89aecdc84fc025c79622614d7737357e831439bc068' 
  AND (
    token = '31A55rfsGKxnAYH8Ctp2X5Aj3gN7ox6db1zDCdlgAyw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )