INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '42d30eaf0c707df008d0a0309febe6b051f5fc6c366d812fe83a54dcc5740448', 
    't8EEUfjVRwYQuFEA9zC8dIGuBM19OZ1HKgEv0tkCZas=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00033

Result

int(1)