INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '4f38b1f3d7ca2352f747a41233fbf80e8860daa80bddfc4dfc3e71d728779d02', 
    'JkS9mC9IottwwpCh/jGHF0dplvn8rc6bhqcc/nk5PFg=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00036

Result

int(1)