UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'wmml0mWuV/1ryu3FRmYak5kXXzooGJL7WKWG4fwdehM=' 
WHERE 
  key_id = '86ebb5c88f8826eb44a89c6e8dc2c67bfec07a622c1feb4c31b555cb2d7b90ac' 
  AND (
    token = 'wmml0mWuV/1ryu3FRmYak5kXXzooGJL7WKWG4fwdehM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )