UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '5D0f15Tu522wvpshQ6PsHCbuXIvqV205RjhBSyIjDsg=' 
WHERE 
  key_id = '338ba8b943e5e5aedb564e84542c8c7095b4fd6603ae9cc6b20425f2305590cb' 
  AND (
    token = '5D0f15Tu522wvpshQ6PsHCbuXIvqV205RjhBSyIjDsg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )