UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'S8nPao0ihZdMPzwaPUjJTbOlzzF8j5X4W0q7ygLHlXM=' 
WHERE 
  key_id = 'df81ab47e9aab4d65144d4f28141ef6c995f39f479937039a8b04cfc55c5ee96' 
  AND (
    token = 'S8nPao0ihZdMPzwaPUjJTbOlzzF8j5X4W0q7ygLHlXM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )