UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'jW/xTeRVNwzgkcVBniiXHcqy1kPu8979eySryq9YFek=' 
WHERE 
  key_id = '800468d604eb15612dee3d7a01c8689378c53df3365c207e36549635c11bf039' 
  AND (
    token = 'jW/xTeRVNwzgkcVBniiXHcqy1kPu8979eySryq9YFek=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )