UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '8wb2vhKeQYu5XJwh0TbjsR7jRAxdWDfQFD6DsySWCrY=' 
WHERE 
  key_id = '2252576d58fa59c8570a13f87494ad011d127852262bd8ceb170ab1e8441c069' 
  AND (
    token = '8wb2vhKeQYu5XJwh0TbjsR7jRAxdWDfQFD6DsySWCrY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )