INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'a6b68178e18d7ff9ef36be17f7cd8722dfca6d24fe5001e41b0a7311d4720c21', 
    '8Mt++uN2GvvnB1aeJTC40fLSlSGRp7GQij21hm+VwRY=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00018

Result

int(1)