UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'cpuC1gfNsENh12JeapJosu+s9tSKjQDF269jfclWPgo=' 
WHERE 
  key_id = '30f7f6863a61ff6c065b229f1de03d8ae3c5e413e84b1a7c95fb54ec0bd43f48' 
  AND (
    token = 'cpuC1gfNsENh12JeapJosu+s9tSKjQDF269jfclWPgo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )