UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '9EwpT5PXJDsfDhQle3aed8zRUtUsQu2gZLxy5WA1zDs=' 
WHERE 
  key_id = '76883dc0d7d7a64440b698e3e8ff99f499453ab27275a723f8098a392791aa95' 
  AND (
    token = '9EwpT5PXJDsfDhQle3aed8zRUtUsQu2gZLxy5WA1zDs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )