UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'TiauztzLdq7uBoW8ezqGc44AjAH4D5Sc0UMeMm6dJUU=' 
WHERE 
  key_id = '326874a00b9829b2a618f6dad98f46f7c1a7df005d76dd683de4cd1df7fb25be' 
  AND (
    token = 'TiauztzLdq7uBoW8ezqGc44AjAH4D5Sc0UMeMm6dJUU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )