INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'b47429f5c992cc57ecd7b231adfaa7d0e1fc67eef3f129dd5c942c89cf20c464', 
    'YzhmNHKmNrVpGmoS6JMOcpCgNQLgS988pe88FOaNHyQ=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00034

Result

int(1)