INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '6247ce29a8c821c300498d25d7a6b36a40217f9c8c18bcd2d4947188fd8bd541', 
    '2KSrSO3J86rtzWD5q3l3ejZeST2zn41nhXQNp59oGxQ=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00029

Result

int(1)