UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'YAjL+4Y4GiIBYlrkm81P3ltkZVMAm0w5dgjISB+kP8s=' 
WHERE 
  key_id = 'ee990a28964ce5571230bce3180e93bd6e085402e5c395a314a5c066b71891e5' 
  AND (
    token = 'YAjL+4Y4GiIBYlrkm81P3ltkZVMAm0w5dgjISB+kP8s=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )