INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '1847fcf273f55da738d6c0755a1c2f435a048cf63326ac1eebe10ac890e7b12b', 
    'Vn26rNTBxrqqYZY3JsBTXxIhl6cQrDdZ2IEIu2QT8DI=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00039

Result

int(1)