INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'c856c3e1e03039137e1af380c4e14627ac8e40b726543d955321213e8f45ed44', 
    'oIcUAre+wLSz7RkNBryTZzCw7WfP98B+lrWEuNoMyM0=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00036

Result

int(1)