UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '0to4zJ+il0k8UokXs7yNH5Z95VHQAo+SaFq1Qt8e+tA=' 
WHERE 
  key_id = '46cbe991b2ad549135d024ed566093ed4d9b89a387d7a91e9fced56fc2c9837b' 
  AND (
    token = '0to4zJ+il0k8UokXs7yNH5Z95VHQAo+SaFq1Qt8e+tA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )