INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '50770b8e71ee28f14e78e9052c5d65146c13b901b31712e39a5be7b64ef7c4cd', 
    't0/0zIjUfM7wbRUDkEFeGM5e9vTy1NoGh7sxYVh7i0s=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00022

Result

int(1)