UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'knN5FHQgYRu/iPaLC+CA4LSauKdE1jBDlIYfXOpYCfc=' 
WHERE 
  key_id = '34c47bc136624b6dd50404f662e350f75b1a067c2bd0cf9a2dc2c21c66a5ab22' 
  AND (
    token = 'knN5FHQgYRu/iPaLC+CA4LSauKdE1jBDlIYfXOpYCfc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )