UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'vV4IUePI6FflA4xowrUcnUMaelx+AeAbOVhvLAVEpK0=' 
WHERE 
  key_id = '620ee1877cc4ae7e11c178e2700359590af142a653b1cf33f9837b8bd3bc8b3f' 
  AND (
    token = 'vV4IUePI6FflA4xowrUcnUMaelx+AeAbOVhvLAVEpK0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )