INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '1c21f98ce5b0643642cded13f9048efe8599f762d7c913c0e37ae8ff41915d71', 
    '1rSUfyP8XCfjQACpb4UIGcHPV9IsLS9uf36FV+lRk40=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00043

Result

int(1)