INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '556372612413841934aa88f7818ba2693b27bfb817ab36b14682bcfe085c9ffe', 
    '1Ce5knXWZxQME2qcu9MyaIdhk8282E3C0yskXA4OT6w=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00040

Result

int(1)