INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '81df65a6c6600d0bbdb7a441b723b91331f669815192d6fff3757022d4987d86', 
    'JHBCfEfCmpsL6f8rGd/1nem1D2BrlhF1koeTXlD1e3U=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00041

Result

int(1)