INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '521e56b531aa3b22f9c8e5a04e32e2859f04c1cd0543ccd01d66f56e53073b87', 
    '9Y1mzfFwFdvmo9km6v2BI5dKYLe8+EVekEfIVUNCyCg=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00029

Result

int(1)