UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '2jQRIfEnKjI+RgzVgBNYywXsA7trE5XOGY9n7OAIErA=' 
WHERE 
  key_id = '4a4ee5a8ab1eaad542812f5c306a01bc42a064628b72b215c97e29e437d39a61' 
  AND (
    token = '2jQRIfEnKjI+RgzVgBNYywXsA7trE5XOGY9n7OAIErA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )