INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '138ef9ff293c62e5de82e4de5f70db4dda3fda2e0004b41939c629a2d61c7be5', 
    'CF6GLY/oJsQdmIl1FS3O/GG4srW4gSJzMaDnKvEePmE=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00036

Result

int(1)