UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PXbBi/mkqUgRdQl/Y5sg/bSKmfviXynOWoaf5m/+UtA=' 
WHERE 
  key_id = '7f027348c4778461fc224e47a962c5c46e33c22d95661f5295f6853e272d6c84' 
  AND (
    token = 'PXbBi/mkqUgRdQl/Y5sg/bSKmfviXynOWoaf5m/+UtA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )