UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'kw+Ovt3pNcH540QGL5tTaOvcJCQLzPRuiLX9PYLA00U=' 
WHERE 
  key_id = '97fa5520f654ab05e67c5789fb827437ba258a23064898ec893948f765348807' 
  AND (
    token = 'kw+Ovt3pNcH540QGL5tTaOvcJCQLzPRuiLX9PYLA00U=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )