UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '80Cb81TRWTwJocKbwify49bm62utTMd6MrPxgIyd2Bs=' 
WHERE 
  key_id = '20fcda3cb1360477e732a550e40c1821225503f501ce3bd9e1018a55695c303d' 
  AND (
    token = '80Cb81TRWTwJocKbwify49bm62utTMd6MrPxgIyd2Bs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )