INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '340a76fe9e4b77cff10d615bea641d0d81c142b0ea2a411f48ab781f02f0a108', 
    'ZtakhtS3FHpQVagBS7adxKsqf1oVlJ7fvvGI018OP6o=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00030

Result

int(1)