INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '540834e2f1808fa657f23c6d2c6a708b34bee713819915bd22c3cac90a34df87', 
    'IcmhXnkjGUN1hmvbJFVz/4SuTeQ5h0s+kCqn0sj1Aus=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00039

Result

int(1)