UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'h9BaWI7t9k1iytl9oQ+qQH5xVWz+2EnJSAoZzgD+DOM=' 
WHERE 
  key_id = 'd575eedfd6cc6b09e71c4a5a89139f92af7f0c2e3a86dfce13a1bf37489b8561' 
  AND (
    token = 'h9BaWI7t9k1iytl9oQ+qQH5xVWz+2EnJSAoZzgD+DOM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )