UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '+6Z6/LojMo5ZoVm0uTQdyGnyhrnYjt3OX9wOxTd7gTw=' 
WHERE 
  key_id = 'cca3398862d57a4f66e45a1ded91292f23b73b7033a93b2f6b59217b47801169' 
  AND (
    token = '+6Z6/LojMo5ZoVm0uTQdyGnyhrnYjt3OX9wOxTd7gTw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )