UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '4MbhC77IeZqQlypbwnBJWvYyJuryAAlK7L+QUrkUpbg=' 
WHERE 
  key_id = '8d9e4cfc938d748a79989ef1892c0990571f21c3e554e1faa3d871a6359fea5f' 
  AND (
    token = '4MbhC77IeZqQlypbwnBJWvYyJuryAAlK7L+QUrkUpbg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )