UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'UYq/ksYdlUhU9WQJYa3UT7hp2/9DztTg9B9K2jB3+a0=' 
WHERE 
  key_id = '74e48ba2340178bec0411e245c904ae35bf4e90589717eb518e8294a6d59118b' 
  AND (
    token = 'UYq/ksYdlUhU9WQJYa3UT7hp2/9DztTg9B9K2jB3+a0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )