INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '51d35dff07d881519ee5738b87ccbecc942015d034572c97f69e8d44a05280c0', 
    'tALqwvL49Y02yqjHx+6y4AwnJXRIHtdBaC/QoobcaXE=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00044

Result

int(1)