UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MDh476cB06a5OXN0Z8Uf+sERtwVk5HcxsGyah4Ol0WM=' 
WHERE 
  key_id = 'e40c26b0b8cf05fbc0d0ebb1ac2758342a16c7ff9533bd88c52d77cb446766ce' 
  AND (
    token = 'MDh476cB06a5OXN0Z8Uf+sERtwVk5HcxsGyah4Ol0WM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )