UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '//N0G/9uqlcgGESVeWqKDgMFasgE0XwNXX4Y7+QyEOo=' 
WHERE 
  key_id = '6281c7521c32173ca713349179bfdd85fa5d0e8629fa1dfa99fac9b7a95693b4' 
  AND (
    token = '//N0G/9uqlcgGESVeWqKDgMFasgE0XwNXX4Y7+QyEOo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )