UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'pCYrZinwVoinSO7csMm9DJy6d7ZdBcZNVzOMEWoPmYA=' 
WHERE 
  key_id = '27976a9af0a94aa0ad1db5de51da7e943cb2086f148d7e141d7e9d28f65d8d3f' 
  AND (
    token = 'pCYrZinwVoinSO7csMm9DJy6d7ZdBcZNVzOMEWoPmYA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )