UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'WPHhZsIJTjKExRNB5kPuHrzyz8qg698bfpBWJ8or+Zg=' 
WHERE 
  key_id = '4c49cb058be8808a9b91ad0e20713426d22b5b315fb834277eaf3e835bcc80a8' 
  AND (
    token = 'WPHhZsIJTjKExRNB5kPuHrzyz8qg698bfpBWJ8or+Zg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )