UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'BS92O6oal4dez0apN+1FxZozCCb10UMxZXWSKS9/VQk=' 
WHERE 
  key_id = '668eeb728ee1c0801581e95caf379d5443875d639148991626b89edd8864bd5d' 
  AND (
    token = 'BS92O6oal4dez0apN+1FxZozCCb10UMxZXWSKS9/VQk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )