INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '50cff8dee9c9492e2a9741d7c937c23d1b53b4a215c1bd22076d60170131b673', 
    '/cdMtnbjs2IWIac4X+xQlU2N6jDKLtIRVGQcMYTjlAQ=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00023

Result

int(1)