UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'E0ThBBsG/a3+gGaOwX9CNNo8TjYIqdcOYWjNRyApspA=' 
WHERE 
  key_id = '8b6f8c93a0d5bdcf60941b7547926b8b5a192d7a0103932636826c819974ac27' 
  AND (
    token = 'E0ThBBsG/a3+gGaOwX9CNNo8TjYIqdcOYWjNRyApspA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )