UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ehYh3wxEVxidSLf+hRuEk2j62hNsjryaxqsA8T8HgQ0=' 
WHERE 
  key_id = '4852dd94ae5e8670f75f3976d0012981da44d2f207b09a3d4258261b046edf86' 
  AND (
    token = 'ehYh3wxEVxidSLf+hRuEk2j62hNsjryaxqsA8T8HgQ0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )