UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'UIKJ4C7oApqo1CpE2YMf+pEL1GLmMPBbj9mJLOEMbdQ=' 
WHERE 
  key_id = '15b674a40baa70a66c4537239cae62f00801daa1a59a26545935d9438a6a0375' 
  AND (
    token = 'UIKJ4C7oApqo1CpE2YMf+pEL1GLmMPBbj9mJLOEMbdQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )