UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'SGkR1sNKctI7nc9kMdCM+2Z9IB0jNdhGbyN4P2xgdMw=' 
WHERE 
  key_id = 'b414235c258497e6bd22153f61d2be0bbed56e507a64e6b3e2877171d8d0673f' 
  AND (
    token = 'SGkR1sNKctI7nc9kMdCM+2Z9IB0jNdhGbyN4P2xgdMw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )