INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '16c2a948e85829a2832999120f6781aeceb9134ea3a0539b8f529f3b6df94bcd', 
    'b2pAgxFsIjA+NNZxDNy4DTWz4EWjBt6l8t6OOhwUV6k=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00033

Result

int(1)