UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Bz8qL8CfFZsYlamTkouOWpKXunCeagv5jsD8f591Pd8=' 
WHERE 
  key_id = '218fcd9423c58de4e735215e6c51226444daee25e6b0d75c021f195dd1d1f5dc' 
  AND (
    token = 'Bz8qL8CfFZsYlamTkouOWpKXunCeagv5jsD8f591Pd8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )