UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PPr1gySgwgoyGtTnTfb/9OVOFAvbpFiAJuoU31gK4ns=' 
WHERE 
  key_id = '296de8415139dd2bd8918467a0df95c1e3940592585e6be526c9d29101f664d6' 
  AND (
    token = 'PPr1gySgwgoyGtTnTfb/9OVOFAvbpFiAJuoU31gK4ns=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )