INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '21c290d4c8218c1f3900c744f7c27d9f4bfc6eba075219f778310d3efe4dc41b', 
    'O3cZYmdehsD+uiHcdaKeb4WrlGl2VRMbYn9dwS/scQA=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00041

Result

int(1)