UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'D9FWvVG5h47HSGaiiSHwWORvRA7g5mWDDAHlgUbCZHY=' 
WHERE 
  key_id = '2a15d2c3a18c79d59e43c6deb5f0ea2a024bd864f6865ed6f790f53657ff3a82' 
  AND (
    token = 'D9FWvVG5h47HSGaiiSHwWORvRA7g5mWDDAHlgUbCZHY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )