UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'P4BU50fmWg5sFIPd+xUdDqOZcHnfTnKpDW6hMn1ngZY=' 
WHERE 
  key_id = '5d850c39e3c507c1db3a3908b6cd3265d0629c028335773f448f1ed82db8fee5' 
  AND (
    token = 'P4BU50fmWg5sFIPd+xUdDqOZcHnfTnKpDW6hMn1ngZY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )