#1062 - Duplicate entry '136-playerskin-skin_kirito_sao_t' for key 'p'

[ghost]

hello, i have problem with players after 2 times buy item, the item not save and credits is reduced. his 1 item was expired and he want buy again but error

L 09/29/2020 - 17:18:35: SQL error happened.
Query: INSERT INTO store_items (`player_id`, `type`, `unique_id`, `date_of_purchase`, `date_of_expiration`, `price_of_purchase`) VALUES(136, "playerskin", "skin_kirito_sao_t", FROM_UNIXTIME(1601399915), 1601486315, 1000)
Error: Duplicate entry '136-playerskin-skin_kirito_sao_t' for key 'p'

[Kxnrl]

Look like item data was not deleted after the item has expired.