INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '21b016e7ba9d8f54db576abbcd93a7c5a5ffe0879864da65575da07455b57a78', 
    'HKpJgIy9nduop5hoTmNV2ztPD5ST+FTap8YaeN8bsAQ=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00044

Result

int(1)