UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PtWmjQYdvwNx/IAZPkGxTaqjryVopTvTsyjR2Za3Yqs=' 
WHERE 
  key_id = '8be9c351816510858be04994fcc4fce2fd4925979110e7815f4af1243bc33ff6' 
  AND (
    token = 'PtWmjQYdvwNx/IAZPkGxTaqjryVopTvTsyjR2Za3Yqs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )