UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'BjhPeLfehxVDI/rmihYyWiK7n2xJ+k70bwchD1EgbSo=' 
WHERE 
  key_id = '4c03a8b4586bdad936dda92e0bd42b66fb72f535c27517dbb71dfd7de87d055f' 
  AND (
    token = 'BjhPeLfehxVDI/rmihYyWiK7n2xJ+k70bwchD1EgbSo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )