UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Njy144Kn03Vudl2+GariiPDP3/rtV8C7zYf+8btTOs8=' 
WHERE 
  key_id = '4a267c2f4d8ec03b42da13a13e62ed2b7a53bcb838d019f8f8e70cabf8bf1dfa' 
  AND (
    token = 'Njy144Kn03Vudl2+GariiPDP3/rtV8C7zYf+8btTOs8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )