UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '41r8dXyUuQ9+zl+WMQ50tehmGBxABXpDyTP2wxtB2No=' 
WHERE 
  key_id = 'd641928e6e79c745dadf0ede20d02a097e207c01821aaf6a7bf74a1949b32187' 
  AND (
    token = '41r8dXyUuQ9+zl+WMQ50tehmGBxABXpDyTP2wxtB2No=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )