UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'D4U1KkhrmjBVm9MNo8+ZRHh85tWa+UXpbiGqKj12jvw=' 
WHERE 
  key_id = '5d5f45cd26ec5ddadf875594c3951b6a211625811af2410d594f1fb11445a3de' 
  AND (
    token = 'D4U1KkhrmjBVm9MNo8+ZRHh85tWa+UXpbiGqKj12jvw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )