UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'pOh4oexqa66MzqWSeJiqWFWg51t9U0B/3uNUpnP0mjk=' 
WHERE 
  key_id = '4bf252b1711d784e14a9b28480271657f62bd159332e66a553f6d0ada664cb8f' 
  AND (
    token = 'pOh4oexqa66MzqWSeJiqWFWg51t9U0B/3uNUpnP0mjk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )