UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'GbxXWCnUgQxYV2DAh03DyuZ9fpIUZLEI3xwPzwEfcs4=' 
WHERE 
  key_id = '986a1f570576c08b7f498fe6ff5d0fdff4ab883d6bf0f6939eea1ed162c0fcef' 
  AND (
    token = 'GbxXWCnUgQxYV2DAh03DyuZ9fpIUZLEI3xwPzwEfcs4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )