INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '21dbcf3c3155d652de595867d20d4b53982d09d435126797670c26f7955e46a0', 
    'YwywsdpUNfmzlfVDrAqP/mgovTGt9ChjByKZ3PIrdBw=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00023

Result

int(1)