依据民法典的规定，先履行方可行使不安 抗辩权的情形是：

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SQL Error: select id,body,options from ***_enewstiku where sourceid='31364' and id < 2515303 and id<>'2515303' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='31364' and id > 2515303 and id<>'2515303' order by id asc limit 5