UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'YgKV3tJ/xUkpqRjjvdC3TAQgpt5JUzvn9rTJeAtQaVs=' 
WHERE 
  key_id = '883f9df2136fc4260cae903f2877552600f4494c1fffa58230a7202e3be1ea02' 
  AND (
    token = 'YgKV3tJ/xUkpqRjjvdC3TAQgpt5JUzvn9rTJeAtQaVs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )