UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '91b6ExPfWwrULhiJK4IVWQICFBhbbShk1f2O01Ce9vU=' 
WHERE 
  key_id = 'fe2ebd1c743084ba7c911400a36b3b6bbdb6548b763762655f96e0cb71d4b8cf' 
  AND (
    token = '91b6ExPfWwrULhiJK4IVWQICFBhbbShk1f2O01Ce9vU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )