UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'KcwjXQ5IFHHgb/QziB/sq1I+6M/KekZmnydTO1xM4cE=' 
WHERE 
  key_id = '98873f8cbd6ba863b520e69d8b880d0b281539da7b4f23168243382db204c0ad' 
  AND (
    token = 'KcwjXQ5IFHHgb/QziB/sq1I+6M/KekZmnydTO1xM4cE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )