UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'eexux5MmAQcfenXzT/mwy52fGENvNEceNWhkHo1X5lk=' 
WHERE 
  key_id = 'bc6bbcbe398bc3e5e641e2e838cd91f3e311899c512ee1a057e7d279232ccf23' 
  AND (
    token = 'eexux5MmAQcfenXzT/mwy52fGENvNEceNWhkHo1X5lk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )