UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'e0DiiNjyqTMzCBYIzYXu3OCPPi2KhFW1/33juE0mECk=' 
WHERE 
  key_id = '6ce161933907628f3c2326771aad391018133d43ed5269bcb7a6a51e27e8fb0e' 
  AND (
    token = 'e0DiiNjyqTMzCBYIzYXu3OCPPi2KhFW1/33juE0mECk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )