UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'yKHJ34alLaAEn7MmCJuZ8WAdU2uj+CB/gu95J9nLrWM=' 
WHERE 
  key_id = '6b4760736c16056d1bdea37251048f85878e5e65867ee9b81a4314f37e03abef' 
  AND (
    token = 'yKHJ34alLaAEn7MmCJuZ8WAdU2uj+CB/gu95J9nLrWM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )