INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '4c74278977c541f8887240b5635925da3cef3d306138c6817ccf2a28418cb12f', 
    'sL4xJhtt7O7N17gtekO46EWNUZBiFBMCOGBAjEaII0I=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00028

Result

int(1)