UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PfQSZ9s2b4e9dPyc0jxRjondONwG7RMyCIX5bFA0rFk=' 
WHERE 
  key_id = '193bde0505a0d855fb6be285e00a6ef5ee7549775fa6a14ef163d72bf43f9eba' 
  AND (
    token = 'PfQSZ9s2b4e9dPyc0jxRjondONwG7RMyCIX5bFA0rFk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )