UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'UFPOU35Ue8OrO7colA88cxnK4NPfEgGt/CDc17lDUqE=' 
WHERE 
  key_id = '5cd637685fe8b3c7ab52ac6b81957383fe99262105e0306bfc239006573192f8' 
  AND (
    token = 'UFPOU35Ue8OrO7colA88cxnK4NPfEgGt/CDc17lDUqE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )