INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'b5a78b34630761ecc431e2b04cbd44a81caf34f275d6f4234ba5afa63c9c2f1b', 
    'KU+v7Q0TZ91ANTstCZl30XtxtgidVVdRxrw0sIF2gjs=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00022

Result

int(1)