UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MgU8L2bIywxhF8jBSjmLl4scTdjRj+ZqEFe8rd/q16Y=' 
WHERE 
  key_id = '4c01873691e66b90892a352d53701379c99971fd18405df9f7779d42f8293c71' 
  AND (
    token = 'MgU8L2bIywxhF8jBSjmLl4scTdjRj+ZqEFe8rd/q16Y=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )