INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '336fc0dc28f780ac0aef4bb336c32b78548f08ce17b01a240f1c1355ad7809d5', 
    'SrsI5YSrp3T7MLvCWAemSuA7HphhbSUrvyKCItHor/0=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00033

Result

int(1)