INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '921715cda59a2cf7c8bbf0bee7fe0588ae70a0f1539c8d7e9293c3f75c327732', 
    'Ld2AmF7LaUCU/TrevJbGC+PHacR+GWmGxllkJE4KVRM=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00033

Result

int(1)