INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '8b21e2a0ffd1251eb4dd2be3bf1342b49dfeab99a642b553c53132016b63a99c', 
    'iHLApCLLUqBbWwTcoQ/k1zjddm7ZLNyeyJo9+7hDnNU=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00022

Result

int(1)