UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '8x29bX75+5s/k5QrM4aGBno9JlHavQ/zdgcYDrOMB5c=' 
WHERE 
  key_id = '54a14ed3943045195bee2511bb7171c806d0c1364aee951338a21d18e5d7a807' 
  AND (
    token = '8x29bX75+5s/k5QrM4aGBno9JlHavQ/zdgcYDrOMB5c=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )