UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'VG3lyRpvRX4qVenPQOrI52gn7eSYRUj1Td4KqyWPDNM=' 
WHERE 
  key_id = '56e42940cab55f39811ea49b5453a1381d75fb2cadb0f8b71d3350f2e6891737' 
  AND (
    token = 'VG3lyRpvRX4qVenPQOrI52gn7eSYRUj1Td4KqyWPDNM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )