UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mr5BMEaKVGi6S94mdzsEpZTgKRR4V5h2J+/8gN0V2l4=' 
WHERE 
  key_id = 'c33899334e47b241b5dc3ee8b22ccad1dd9638dbc3f3ddfbd25fd15bd17ed9bb' 
  AND (
    token = 'mr5BMEaKVGi6S94mdzsEpZTgKRR4V5h2J+/8gN0V2l4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )