UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '0p/JH1aL/H8pCwUQSlvPuLc67HuBwFgRXZZgtvqmtdQ=' 
WHERE 
  key_id = '8cf4d4a98ae498efc3d480e3b5737de41cf4551aebfe701c8f6f78c1c6f654a8' 
  AND (
    token = '0p/JH1aL/H8pCwUQSlvPuLc67HuBwFgRXZZgtvqmtdQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )