INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '021a410320ace3c02324a34c5c936301be4948b5dbae542d25165597b9aaaf95', 
    'HChxAY2j5OD5bYlhEPKqBEajhkeujyoSuKznQwLcXAY=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00039

Result

int(1)