INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '304fe1521bbf3d39490c20f4fd7f1b24b19233ee8a0a1f276323933b8aee4af4', 
    'RxqR95zEFZs12SIDn/ezEhrc/jj4DgyiUwYFsU2EeYc=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00020

Result

int(1)