UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'QOOVNgJaZcWIZF3F1T1RX/CwwWyfTbo3c2+KQk51afU=' 
WHERE 
  key_id = 'c5e1e9b08a033e0453ed8196707982f849304b50935d635952831e059911a27b' 
  AND (
    token = 'QOOVNgJaZcWIZF3F1T1RX/CwwWyfTbo3c2+KQk51afU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )