INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '28e486626748c8e57e17cc98695dee884ed6355281054f12e4f40818970fc5d4', 
    '1Tr6Yr3HJZr3GqYjJcN4VIiB7oyLreWkDUQRtGyQ2ng=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00035

Result

int(1)