INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'f12830e994f7f38f29880ac4573128f59a048946bd048732fdbf2266ba523c42', 
    'IbdYq//At0RYFPT5hZa3vyVuaT8tuuO7cDA24aST7Q0=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00057

Result

int(1)