UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ZrCxI0odX5SE83dWbsi7iB5gn7mmgwbipknrPeuKyec=' 
WHERE 
  key_id = '28b765ed63cd0756a83f2b215f83ac03f0b3a0c0085d7e436d8d694010161e16' 
  AND (
    token = 'ZrCxI0odX5SE83dWbsi7iB5gn7mmgwbipknrPeuKyec=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )