UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'OpjV6AtXAQsKyVu/psLyeStJhyKiBkehvemoMoQHxME=' 
WHERE 
  key_id = '75799dd7eb3681bbb8d6057d314a60de67ac1977cf479b8e7a39d358fd869dfa' 
  AND (
    token = 'OpjV6AtXAQsKyVu/psLyeStJhyKiBkehvemoMoQHxME=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )