INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '6c3301e1c836eb552ab91c17f38e487fb422fae7643cd379ff2e6644e7cb32ea', 
    '//srkXKl2xnJX+C4E386nmtWlsC5YbFy5fKTKEblJTU=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00027

Result

int(1)