UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'D/u5SHzcViV/zB6efQdefAVczsMaUB3VWMkyaOJbtGU=' 
WHERE 
  key_id = 'c93c592de32f141d205b5bb8f4f8f075b14c9e20ef5027bf005c77280111ef79' 
  AND (
    token = 'D/u5SHzcViV/zB6efQdefAVczsMaUB3VWMkyaOJbtGU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )