UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '+N6U6TqYXt3MOWj0PpfoeJ453WEokC7xSjT4VI3JIRI=' 
WHERE 
  key_id = 'd4c88eadc2b58e0889743bd090b2ff5b5875a3072c73856824f391e448987bdf' 
  AND (
    token = '+N6U6TqYXt3MOWj0PpfoeJ453WEokC7xSjT4VI3JIRI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )