INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'e50a53bbea164b5a155f471d3d0511d02ca3122c89d06104c030073d33caa40a', 
    '31mLfk4F197NIOA6lVKYzdkBE1hyeYBElUp6zE5sv1o=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00018

Result

int(1)