UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'iKHjJPseV6JUhkXUxCNn4rUXFJcqI+ifRN98cJu3a1I=' 
WHERE 
  key_id = '55f6ab1eb43608a9b555e2fec3fd91b2668c4274988a44ad281c9b5d18f527ff' 
  AND (
    token = 'iKHjJPseV6JUhkXUxCNn4rUXFJcqI+ifRN98cJu3a1I=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )