UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'AK1GSCKQ32yKv7lhPn0O24k8sn/ZuE3pPzro+c9fFNs=' 
WHERE 
  key_id = '4d795edb25d590ae99bd62f2335f35501596936b2e798735e6c312e4c7f0c194' 
  AND (
    token = 'AK1GSCKQ32yKv7lhPn0O24k8sn/ZuE3pPzro+c9fFNs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )