UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'lEepAnBVSvY8rfZ4xwSY5yNYnQhvuxcEKvkxhfZ1X2c=' 
WHERE 
  key_id = 'bf92d5b166951c1235fdce9fdfd067a0a012600a599a8bc86456e9dc968b7ad7' 
  AND (
    token = 'lEepAnBVSvY8rfZ4xwSY5yNYnQhvuxcEKvkxhfZ1X2c=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )