UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'aDXrTm0I8/n0v7QutYYkZyHBusMvbtcGbab/6YMxga4=' 
WHERE 
  key_id = '52c688be9a9139bc4842cfa913f3d9b43504e366f8dc871290a8e8765a9b301a' 
  AND (
    token = 'aDXrTm0I8/n0v7QutYYkZyHBusMvbtcGbab/6YMxga4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )