UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'gr78JP/2SXzAMKsrJFeJkGkv+MhTXfsj8H3FUuEvuxU=' 
WHERE 
  key_id = 'b7df92a18b311b6be3e431b90e72921ad3def43ba80fc0e56172b1d4aa29f308' 
  AND (
    token = 'gr78JP/2SXzAMKsrJFeJkGkv+MhTXfsj8H3FUuEvuxU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )