INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '915b362b093e427578367ca7a4d62bcb6d8342d41ff5ce4701781b74e0906a8f', 
    'L2pff5v3AqymF9S9DR9FudZEzfGcGE9QIzT2TGzl5D8=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00021

Result

int(1)