UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'F6/l+AlXWbu0UzPEL63RPdXJaIGDzSzrGOFRxlLUhSA=' 
WHERE 
  key_id = '8045558bf1ae91eaa09e66f1f7038c7cf14cb851fe553e95e8355e25e0348ae7' 
  AND (
    token = 'F6/l+AlXWbu0UzPEL63RPdXJaIGDzSzrGOFRxlLUhSA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )