UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'aflbhjy6s1+mGdUphsZZtxcVjB1fHoPq7dqXDLIT7qI=' 
WHERE 
  key_id = 'ce5b026af569094cfe7f550b5922201a382491377977cc162146209d48864647' 
  AND (
    token = 'aflbhjy6s1+mGdUphsZZtxcVjB1fHoPq7dqXDLIT7qI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )