UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'EnNIex9Q4efHIx+rRAWjy/ZDnb8hrfXwsf3BssTa+yc=' 
WHERE 
  key_id = '7ddb58d02d79a8d2eeb2cd3f37a4a66b0458fb43ebe7e39dff1a60133fc69889' 
  AND (
    token = 'EnNIex9Q4efHIx+rRAWjy/ZDnb8hrfXwsf3BssTa+yc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )