UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'stsgjoMXPx5EN+r4HkpFVopPPBnqajUFiMw3NjbVZgs=' 
WHERE 
  key_id = '26c76aca707044c418ace37b30d35b91fc624a7e28c98f66e03d7e4552d71b03' 
  AND (
    token = 'stsgjoMXPx5EN+r4HkpFVopPPBnqajUFiMw3NjbVZgs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )