INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '9f4b31899c6572aac5609e92d306616b0d2a09f2aa234373526c354637f248f7', 
    'QxNmxbRmpNfBhzwLmj4eCKPeh/CcS43FfXjwAg2juos=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00033

Result

int(1)