INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '4e3b6f5faefc8f75f35ea25710bd521ef131d12196a41955a091c4bf32e232d1', 
    '9rzOZRPOviV2tI2y6huHLODuBUjwoOxEb9+pch4Z9rk=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00034

Result

int(1)