UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Z3gK/9sGweIvpJir501NGNzQb8flI5Vg8Kd334PaW5Q=' 
WHERE 
  key_id = '5d8742f6facedae9f171c68bf5b41fe0c19ddbf4a793208625875364b0bcd01c' 
  AND (
    token = 'Z3gK/9sGweIvpJir501NGNzQb8flI5Vg8Kd334PaW5Q=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )