UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Cne3IfbGs1YtADviUKETeAzCBRu0FiQef8fKP2ReL7A=' 
WHERE 
  key_id = '26e55a3f25841ce5800a8b4940636240b751d58fac6efa0dd8a52435ad7db079' 
  AND (
    token = 'Cne3IfbGs1YtADviUKETeAzCBRu0FiQef8fKP2ReL7A=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )