INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'a2ef055a801ee6ca00dcca2dfb76f8f441e00421bf8ac13f921ef45a36ca068c', 
    'sIo75oIWvB8q6lfaiFu3HRBTweihQzceF8MtH/lk3Tk=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00021

Result

int(1)