UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MMU+lCcyytRUk4Y4v3TuXZ+j3BHc1aNSEHl/lQfOfvY=' 
WHERE 
  key_id = '42e858ca2860b1adf074ea45326fef89364be0f94e0eb7414b8bff62adb91635' 
  AND (
    token = 'MMU+lCcyytRUk4Y4v3TuXZ+j3BHc1aNSEHl/lQfOfvY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )