UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '8nHq5xRA0r0EMhIsG6+ApLDHbl4hNqXXKNEIOx1Cecc=' 
WHERE 
  key_id = 'a10fff6056ce1eb13b35572b68d6077c4cafdc709a9ee9350a0b8f5627e33079' 
  AND (
    token = '8nHq5xRA0r0EMhIsG6+ApLDHbl4hNqXXKNEIOx1Cecc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )