INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'e999d6f517eb858c6ac8dab018f0f16a86d354117dff9752bc7b53bee4d4a6f3', 
    '/l818NH5WMK7G8ko8OHzVxt1bDg4SkONmNrVxj06FAQ=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00036

Result

int(1)