UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'l98terctAzdYTdshem7GdGXOZ6Y+xi5NwtPDWLfazWY=' 
WHERE 
  key_id = '120f289530ccf5e948b2aae0d638712888bec3d50dcccb5dbac4801bf74e7eb5' 
  AND (
    token = 'l98terctAzdYTdshem7GdGXOZ6Y+xi5NwtPDWLfazWY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )