UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Ee2kocdwksPao98pWXfPuWUx9CSnpQnrWtTvzwDvcJs=' 
WHERE 
  key_id = '407b97f036f6989a9684970df117ec9176340849029fe6702a6b027082f6dc0f' 
  AND (
    token = 'Ee2kocdwksPao98pWXfPuWUx9CSnpQnrWtTvzwDvcJs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )