UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'zRo8h9kT2nXNmFr9/IIDcCE1ja0VW0a96pPgO2V7By4=' 
WHERE 
  key_id = '9a35fb2d1e129c703a049ac1fcce7c5b67b00f9df1aa43ef31ee9c90d88536c2' 
  AND (
    token = 'zRo8h9kT2nXNmFr9/IIDcCE1ja0VW0a96pPgO2V7By4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )