UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'KJ6pD235t7OkZwzaMXNac4ElE2N1QNLGnPtifneKUEo=' 
WHERE 
  key_id = '910b825407980d356febb4d9731b79b2aade0db944d445d286febaaf255fc4ee' 
  AND (
    token = 'KJ6pD235t7OkZwzaMXNac4ElE2N1QNLGnPtifneKUEo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )