UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'DC3ZOPVze+ESzS9Nvt7rFMcWWqi80vIH2T1euQIEkFo=' 
WHERE 
  key_id = 'a1f638883ecca37061364e47f45bec51e2efba094cd3b7ad4560c1634be4cad6' 
  AND (
    token = 'DC3ZOPVze+ESzS9Nvt7rFMcWWqi80vIH2T1euQIEkFo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )