UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MrdLkYHpB6NWYnNIMRGfST3LydBxjd1hg+AORKQYG0k=' 
WHERE 
  key_id = '4c4d93b3cb6461e1a01c29d7d5ea582eb7adce50541973ba2210eb604c711b7b' 
  AND (
    token = 'MrdLkYHpB6NWYnNIMRGfST3LydBxjd1hg+AORKQYG0k=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )