UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ITbVu/7rOuyK5LFGk6HdSR7V29vozcRpe1ybsbcpmWY=' 
WHERE 
  key_id = '41651906ee5be3d6a497008cf30a00368399d5ab060d6d45f6df4c55c5f8188d' 
  AND (
    token = 'ITbVu/7rOuyK5LFGk6HdSR7V29vozcRpe1ybsbcpmWY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )