UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'n/YrCyXeXS0kOpi0X+qdz3lfeNKs2TqZ1kgV4xqNpfQ=' 
WHERE 
  key_id = 'bcfc408a9a731f83b7408fc6a281f6e12efed8af694ee76be1d6c436296b71ad' 
  AND (
    token = 'n/YrCyXeXS0kOpi0X+qdz3lfeNKs2TqZ1kgV4xqNpfQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )