UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'BZWFS7rpb/EZjXdAtEfuFoglU8UMDqPW9qCUTVRKGCg=' 
WHERE 
  key_id = '55d2cea52457e2e55bcaf6ad91d74860cf0354b799b5ed059ffbf580e79f50a9' 
  AND (
    token = 'BZWFS7rpb/EZjXdAtEfuFoglU8UMDqPW9qCUTVRKGCg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )