UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6wZmKowjlJhM87yRkNpbB48WXaBdt3eYJDGYIpKhAuY=' 
WHERE 
  key_id = '55c0f19cf3619c23bee2f10349253f798d503074fb4dc182615fb55e0a888d0f' 
  AND (
    token = '6wZmKowjlJhM87yRkNpbB48WXaBdt3eYJDGYIpKhAuY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )