UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'a3wIb6YWYgrCUBehBnrMwbmHvdgptCccEZpIEmrVmcA=' 
WHERE 
  key_id = 'b8bf01675959426f74c389203e37cdef62bd6843cc7f9df252079e7383bca517' 
  AND (
    token = 'a3wIb6YWYgrCUBehBnrMwbmHvdgptCccEZpIEmrVmcA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )