UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Ui3ISGe59MCdzfTSulFpWYsJbL/NQAgCR92A/m6RjG0=' 
WHERE 
  key_id = '881df7d7855ed8fae1d11a918f095051e081eb05a4de10619ea60a56aabefb77' 
  AND (
    token = 'Ui3ISGe59MCdzfTSulFpWYsJbL/NQAgCR92A/m6RjG0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )