UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'a3bxmWJZg0KwI8yZ2bbLfYBPfnsHPe85bOjdUk4o3R0=' 
WHERE 
  key_id = '75f327a07be9464cf36a6b96db5f3dfb1f056171d7a777d615912f9335490bb4' 
  AND (
    token = 'a3bxmWJZg0KwI8yZ2bbLfYBPfnsHPe85bOjdUk4o3R0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )