UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'w4DusPsnktDoTjO1ouUkqX7jIOz2DP9HN9Ta0QFWBiA=' 
WHERE 
  key_id = 'ba3830ebdf160f03e0588d0dc7de06d12f85a1b4efa68ee1129282d51886d407' 
  AND (
    token = 'w4DusPsnktDoTjO1ouUkqX7jIOz2DP9HN9Ta0QFWBiA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )