UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MJHhxr3zewIIrdnPA9g4ZLqqO4g7lWkJQFHtB+KhxEQ=' 
WHERE 
  key_id = '8c616503fbcbb7cab780bdab16503c680229a4e353249b5cf38f516d59a9e810' 
  AND (
    token = 'MJHhxr3zewIIrdnPA9g4ZLqqO4g7lWkJQFHtB+KhxEQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )