UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'y+AxCeSUZpMiRPGg5BC2s2Op26elZ5R7JWsb/+g1Uo4=' 
WHERE 
  key_id = '6dc1ef7b989a9f9b28d9c6a895190d5a232409cba904dd8a111166bb26eea3cf' 
  AND (
    token = 'y+AxCeSUZpMiRPGg5BC2s2Op26elZ5R7JWsb/+g1Uo4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )