INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'ea21abbae21cb579e493fc343889b9ee049f07e404f269c3098651f48f02e6da', 
    'h4OXEVXvt3ZkKs9JRpb62rq3GwvHYShyEpAnHTwDR5Q=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00026

Result

int(1)