INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '8f9886461a857287d472f2e45ce07adab2800b7e3323f0fa44f55a1837918cc3', 
    '6Pc2+Do5VzScv0jGZG1ZLxlYWdoAoSuDB3BXPdGyPuQ=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00027

Result

int(1)