INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'e6ebe71f04d04d74e9f665deedbde821a9b82ab0d01c17e0f31d40ddda6bc197', 
    'QOwO3iOHdj3nSh2QQTIVlqE2yprKixkXy4GWUHQBWq0=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00033

Result

int(1)