UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'naBzOp6caAIY7K3o/zRlC5UkjmchIPUqD2umbdwUNc8=' 
WHERE 
  key_id = 'c1e55fe8e9ea8d76a36f46d57045d92d71566759b7789afad72a07102147d368' 
  AND (
    token = 'naBzOp6caAIY7K3o/zRlC5UkjmchIPUqD2umbdwUNc8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )