INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '551b64046563148113ba4ab121e9e4a810555bcb8608b3af835f0d0c858fe608', 
    'WM2TdWXGTprNr0swXLneO7F4sbxw7ssouGdYWdrg7/0=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00064

Result

int(1)