UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ymNIBc6O4LY7gFNBQ7nAqidJqiRCnOHzikgR9iUofn0=' 
WHERE 
  key_id = '3d69637483b8e7c45bc004ddb979d58d8e396ca3a120f0c6186828a7de54e767' 
  AND (
    token = 'ymNIBc6O4LY7gFNBQ7nAqidJqiRCnOHzikgR9iUofn0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )