INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '71c12e0837517ef08926abbdcdc5af6987b796470c702d778e31a93711bd87b9', 
    '+x7cNDljnZrIq/8hLXq4tOaHfMsVJcdu7Uj2D2Z6rhI=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00033

Result

int(1)