MySQL Error Occurred

Error Message:
1062: Duplicate entry '0m4djji2eioqjvd5irt6jlqeo2' for key 'PRIMARY'

SQL:
INSERT INTO CubeCart_sessions (`sessId`,`timeStart`,`timeLast`,`customer_id`,`ip`,`browser`) VALUES ('0m4djji2eioqjvd5irt6jlqeo2','1542228869','1542228869',0,'54.144.100.123','CCBot/2.0 (https://commoncrawl.org/faq/)');