INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'b553b9c99e946cacdd93f05381217a53bd888cee9f0a143366d04a293d9594fa', 
    'LU5xuG2f01VNENFjfweWTwkLxrycaY5z5YgW/szdXvQ=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00035

Result

int(1)