UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RkMjhfZ4Jf5gEG5uU2sTda7Va95oRfkrb11MckwN1dA=' 
WHERE 
  key_id = 'fc0aa43c64d473d7ae99c5df0e96306c31bb7fb9e3a5b89e770e0e0a38f9b668' 
  AND (
    token = 'RkMjhfZ4Jf5gEG5uU2sTda7Va95oRfkrb11MckwN1dA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )