UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'GzDqWVzFmZiYcnIuw4QEgCA4ad1fwP8lNdLQ1XxNapw=' 
WHERE 
  key_id = '996a37c57a475a4e3357030e3ecee9ccec3fad13398e71d4953271c52ef0a587' 
  AND (
    token = 'GzDqWVzFmZiYcnIuw4QEgCA4ad1fwP8lNdLQ1XxNapw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )