UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ERbG3ta0ljahIZJjgY16fG8VW3zNmW5ER+Qv+jfNMJ8=' 
WHERE 
  key_id = 'c253bed7a371cc2ae8b72e4a428ff973b2fc8dcde5bed47e669d1072255144dd' 
  AND (
    token = 'ERbG3ta0ljahIZJjgY16fG8VW3zNmW5ER+Qv+jfNMJ8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )