UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6zPcRvbpOxxqcc/5MINctW21WbUc46tSfM9VMBKO3WM=' 
WHERE 
  key_id = '277744a2b25d8c8dcd62253946dc2519fc44482527c2467f3462e26d0fa3f484' 
  AND (
    token = '6zPcRvbpOxxqcc/5MINctW21WbUc46tSfM9VMBKO3WM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )