INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '6d2b28343cfc53c87ced5ef0f39723c16432996284203dac4447322402a5baa4', 
    '4vjRgru3uLYEftugBv//hGzMgKGtzrliuC8hYF+VodQ=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00055

Result

int(1)