UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'fHBeydIYfwt3vVdCjcYUpl7/DpftmZefsL/+soPrfQ8=' 
WHERE 
  key_id = 'd2fc85fdcefb24f301e7fdb9da3aaa7695d778a1bb930466215b2c529629a17a' 
  AND (
    token = 'fHBeydIYfwt3vVdCjcYUpl7/DpftmZefsL/+soPrfQ8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )