UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'SY2theamW2Wud9ArSBy7eawO0DnUzylQ3JnOLOkyPtU=' 
WHERE 
  key_id = '6d4f50b807a0ea623e75115e3fe85c7265e8fe71517e5bbfa8dcc6165a2e9387' 
  AND (
    token = 'SY2theamW2Wud9ArSBy7eawO0DnUzylQ3JnOLOkyPtU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )