UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '2gbeVbyWCQdYHVeJFZHgamycerLoMFqhrvTl2CI+Ndw=' 
WHERE 
  key_id = '15bd8cd23e85be4b224d0cd1dd321f0d3e5ac25d51aaccff8bcdd505ac19b0d8' 
  AND (
    token = '2gbeVbyWCQdYHVeJFZHgamycerLoMFqhrvTl2CI+Ndw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )