UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '41cNUW31gWfgLjJD+xrkOEkEDrTQAj2tCbI6WST7cJg=' 
WHERE 
  key_id = 'b3e424e1a111bf5b192a7a849850a46b995b3f2161f7c84eef8f803342d00302' 
  AND (
    token = '41cNUW31gWfgLjJD+xrkOEkEDrTQAj2tCbI6WST7cJg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )