INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '6615f454c141f874ec922ab827317efd7eeb4ea1aea331a66a53fbdb87953311', 
    'MDnUNjCUK8hYM2W0w8rvsAj56FG4Y3IEElqjFv2p0DI=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00021

Result

int(1)