INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '199646f67a5366f8a06f46f2a99060c7543f9a8522f0889abdd82b602c65c939', 
    'U8GjBruvdTerDBI9aE7xIdCtPmgIiMApDaa9z2Cqnl0=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00014

Result

int(1)