UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'L0SJGWEXrM2VsKOQ+VT85N7bSRcRkZGDYzDF5cvoswA=' 
WHERE 
  key_id = '698f55666536f31d01cb26a4430e3efa3944495597332a3f90747e3747db4569' 
  AND (
    token = 'L0SJGWEXrM2VsKOQ+VT85N7bSRcRkZGDYzDF5cvoswA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )