UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '7YgVuyqNlbKDwvZpWpi9iY4fHzK8i6LgruGFWmpGPQY=' 
WHERE 
  key_id = 'ee52c90518c4f52cc896f590344b3cbbb6f3fb4aafebb2984ff502e17c26f8d5' 
  AND (
    token = '7YgVuyqNlbKDwvZpWpi9iY4fHzK8i6LgruGFWmpGPQY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )