UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'oHl8bxCKlNZkNgJEZV6mcIaxbayKq+jn5STnC2NpSz0=' 
WHERE 
  key_id = 'ad99da915a9a21fa568ff1358208dc5096629ad804d615caf281ab0953a5a39f' 
  AND (
    token = 'oHl8bxCKlNZkNgJEZV6mcIaxbayKq+jn5STnC2NpSz0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )