INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'a2d503dee05858e8b84d6f741fa0ab7f03864f11f777c19b2474478f043317be', 
    'MSmHGeoBuEFbbpMYHYlFAgVsajgGbQNsbKurWtA2MxA=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00036

Result

int(1)