UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'VU0x15uezSjh+Azs9DlELnKarUhjwWme4B1jeznucbk=' 
WHERE 
  key_id = '8df4d9b4b6e6a29c321265004f291161e8405e8f882d7f705e1fbcc29374bde5' 
  AND (
    token = 'VU0x15uezSjh+Azs9DlELnKarUhjwWme4B1jeznucbk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )