UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ierj52J01/OdLPZXiTWoi0Kg6dA0XRRwsgaSAJg/rVY=' 
WHERE 
  key_id = '4e605d56621bb329d8e524799adf02bdb8d159b003e8a3d59049026b2befeae3' 
  AND (
    token = 'ierj52J01/OdLPZXiTWoi0Kg6dA0XRRwsgaSAJg/rVY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )