UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PvsGfUacPeT9XvZL1MgNagJsfRHXWdm+3QCaaARgW0I=' 
WHERE 
  key_id = 'fa86b52734c69d24c86fa522d5388312b541a1cb745e15f688778d74102294a1' 
  AND (
    token = 'PvsGfUacPeT9XvZL1MgNagJsfRHXWdm+3QCaaARgW0I=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )