UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'B3NtayOt/JuKXs9VOxotydF9SN5AbP2hZf+iQyH1KR4=' 
WHERE 
  key_id = 'de074e34a0de9d9ec1bfdf987e5f0c9ccdf536d38870c004e6ac307e23446538' 
  AND (
    token = 'B3NtayOt/JuKXs9VOxotydF9SN5AbP2hZf+iQyH1KR4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )