INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'a8e5b99444277da6de1ee60f612c3b98afee4e15f68602ab2f73a05b9fba88f5', 
    'jn+RjUMi2GuPQ60PvJAs2OBBGLdKdCzkmXq0xB/S4mU=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00020

Result

int(1)