UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'y748295u+E9nA40AZcwONPV6LUIigXZZebXBc/ItEsg=' 
WHERE 
  key_id = '8b8fbe8164120330f524cc3732a7bf0d5d9f869c15d3a253e4b075a81c69af3f' 
  AND (
    token = 'y748295u+E9nA40AZcwONPV6LUIigXZZebXBc/ItEsg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )