UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'UkZcOxsJzWcKe+JhBxTqnZikl44SfPjfdlX6xXBmluM=' 
WHERE 
  key_id = '6b7f54b80bd1acd2d8a9452a9947e0c00b5dee260fd978f7ed42a88897654326' 
  AND (
    token = 'UkZcOxsJzWcKe+JhBxTqnZikl44SfPjfdlX6xXBmluM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )