UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'xk+2L25f5hGeJWfL9Lze20KK7/xqSsjsyUTu8KkWmj4=' 
WHERE 
  key_id = '138052cd1556acc0296c6c5ae7a20de1214c59c0a117e7ad71f6d72613449e18' 
  AND (
    token = 'xk+2L25f5hGeJWfL9Lze20KK7/xqSsjsyUTu8KkWmj4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )