UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MkhHmbEY5kbzyKc0728XsQG23ITwzylPwP6ajSukjxw=' 
WHERE 
  key_id = '028eac849dde43742f1b8de830fadabd4dceedcc052d09ca0824fd092c2d8e4a' 
  AND (
    token = 'MkhHmbEY5kbzyKc0728XsQG23ITwzylPwP6ajSukjxw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )