UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'W5qX3PQjpTMrey2xMPQ0RUOLDoltIC2wIzKGj2tu8pc=' 
WHERE 
  key_id = 'ebbd253210dd6b3fd137f773b4c8b3fb8117b99e908ec4428daf1da961cf77c4' 
  AND (
    token = 'W5qX3PQjpTMrey2xMPQ0RUOLDoltIC2wIzKGj2tu8pc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )