UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'DOHLuD9I0xCbQeFrn0lqLsz638nBYILmMvShEbDVkjY=' 
WHERE 
  key_id = 'ad2ff34eaee881b506b1b487a29a39885add64ac6c0485917f58d2e5ea56b8bc' 
  AND (
    token = 'DOHLuD9I0xCbQeFrn0lqLsz638nBYILmMvShEbDVkjY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )