INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '6afbe56ff85923217247b4320c70bced4cca11ad27a543bac45cc309e118938d', 
    'nWmFJde2WlYUVFkm8VYhf61L6SfWt/y1lf657NjVwqs=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00030

Result

int(1)