INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '789a0b77fc19d6c032053948dceef2841c56e3024fd6dfa477dbb8914d888eef', 
    '+3B8htjDn5I80u0XTd3CYzA1BPZU4otQSPvWZwx2JY0=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00030

Result

int(1)