UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'LyYp9qriP2VQrAObhTKOhQb1gBNowzUAx1aMjjg1JOU=' 
WHERE 
  key_id = 'f534cce838ced3fc2c1d688e384fde9444de3ee0cd88d2e5a79d27833f87d93a' 
  AND (
    token = 'LyYp9qriP2VQrAObhTKOhQb1gBNowzUAx1aMjjg1JOU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )