UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ys5QEwaDsovA/KZXUu2VYj0SdfHuvo5MroDEWf4ktRQ=' 
WHERE 
  key_id = '5108966548b8d28b4fd775fab8dc6d08bc6539711322e8c87146660198972657' 
  AND (
    token = 'ys5QEwaDsovA/KZXUu2VYj0SdfHuvo5MroDEWf4ktRQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )