UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'AoIHtnE7VhyOt0aB72SBJUQrYxywTLmlpm++r2xdYz4=' 
WHERE 
  key_id = '6ee7feccd4eb67b65e95f59ab1042493aeee28f756cc0ba62152768376e510d1' 
  AND (
    token = 'AoIHtnE7VhyOt0aB72SBJUQrYxywTLmlpm++r2xdYz4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )