UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'vxgMmNivJq9RJ2M8Si2xHTptw8NTofVb0kq24sax3Q8=' 
WHERE 
  key_id = '85d98286aa3f2409e55c60c44ed193ad6a737f1c51ad7ac5e415f1d1fe0ed657' 
  AND (
    token = 'vxgMmNivJq9RJ2M8Si2xHTptw8NTofVb0kq24sax3Q8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )