UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6ajOJD4KtcqBKapixuCjXi378ajoxw7+OMZG7iFlQ1w=' 
WHERE 
  key_id = '171b7fb496773fbf07980511e8b1757d944821f3791b95a0a6525f3bfd3ea51c' 
  AND (
    token = '6ajOJD4KtcqBKapixuCjXi378ajoxw7+OMZG7iFlQ1w=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )