UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'QFnjOENo16YonUmiYe6XwWpdRSUGHV7AgZeEunyqFDo=' 
WHERE 
  key_id = 'c7e56c841de09b7d79ed3244e10fa4f3b32c5f7de83d0c779439749f9fe87e3c' 
  AND (
    token = 'QFnjOENo16YonUmiYe6XwWpdRSUGHV7AgZeEunyqFDo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )