UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'gXnjKBDSmgoLvGEhe/VRxzolbUai6U9Y1fjj4J2HUgc=' 
WHERE 
  key_id = '4cda509e3a1bb66794c6041a3fcc1ffef367bd42f4d090e259c5054838f9f99b' 
  AND (
    token = 'gXnjKBDSmgoLvGEhe/VRxzolbUai6U9Y1fjj4J2HUgc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )