UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'i3GgLbGfCOkBMQq4W5GUHgdEqMHXZH/LAg2mg/Cz2P8=' 
WHERE 
  key_id = '51126a45dc46364425db119531e3585ecb6c083697efde69c6b82067849a6083' 
  AND (
    token = 'i3GgLbGfCOkBMQq4W5GUHgdEqMHXZH/LAg2mg/Cz2P8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )