INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '31a2a77778968343d0e5aa4aeca66d1b98864e5e98c7cc80fd4822ce614bef5b', 
    '6eYxZUqm6Q9keYpp7T9B1vaGvL2nCx01bxbWf+KCoM0=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00034

Result

int(1)