INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '921e0d20532f8980fb5159c075022ff3fc2784a0950e0e6e23be5f08b35872f9', 
    '8FD1Cmeo9R2sCqvLY3xNsEXJHIM62GsGVfnkfZTksvQ=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00030

Result

int(1)