UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'bd2BR8ijrs1kpwGBSHoYIW4upftvcsxbw5DilmBsNuI=' 
WHERE 
  key_id = 'af391a94951d0ceb226da1ab634cd59cba06646efa8b96e419d4caedcd3c6111' 
  AND (
    token = 'bd2BR8ijrs1kpwGBSHoYIW4upftvcsxbw5DilmBsNuI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )