UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '7b5O+TeOgmOmcBbfNjGt0RLspBNVQjRYrEG9x8ui5EA=' 
WHERE 
  key_id = 'a3ba14c2082ff53182cd2f0d482a4421466658fd5d08389646891ce8f0ec9f2b' 
  AND (
    token = '7b5O+TeOgmOmcBbfNjGt0RLspBNVQjRYrEG9x8ui5EA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )