UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MdzE39G9Z8JfH6Pq4GD5nNibLlcIeFcm49Fu1L+k8eI=' 
WHERE 
  key_id = 'e7f15de462ccad692b01ae415427dec65083f0a36a3fcc42f5ad643db3443685' 
  AND (
    token = 'MdzE39G9Z8JfH6Pq4GD5nNibLlcIeFcm49Fu1L+k8eI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )