INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '81b8e470de1073df44b5c37468e648b802f52608016b764ad8698069ebe535c3', 
    '+qyhgeVQ4RzVQSHfGfEWeP/37ba/SCqM4ZaXmrHfJnQ=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00055

Result

int(1)