UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'fJiHYmekzn+0o+0UOruYNXnDE33GE32NPGkLvEzFRnc=' 
WHERE 
  key_id = 'bc26e699dbe5ebb73983162c1f824920d900a79f25af4dbf97c287d1210bf0dd' 
  AND (
    token = 'fJiHYmekzn+0o+0UOruYNXnDE33GE32NPGkLvEzFRnc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )