UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'j1+TVrXS3/k9Eh+VMqa5tAcBTjguBGOkIkicVcCndjc=' 
WHERE 
  key_id = 'a0a06df8be7d494eaa2628abb259bf8a9c1d9296533b3a4035207ccbefecf21c' 
  AND (
    token = 'j1+TVrXS3/k9Eh+VMqa5tAcBTjguBGOkIkicVcCndjc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )