UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '3uaMWeK3+gr8t8sLfKOWhGF8xDiE5mxdAqD1MMKCG4w=' 
WHERE 
  key_id = '849faa8e528948870372e84e8f00b2995fce21ab734cb3895afc41497fba5118' 
  AND (
    token = '3uaMWeK3+gr8t8sLfKOWhGF8xDiE5mxdAqD1MMKCG4w=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )