UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'aa+8wnAa34gURegMlmPay+eECv/7SUnVO9b/suo1NeM=' 
WHERE 
  key_id = '39f31493a99ef212fcbdcedd8f6d06b99a1cc2e48f40910f5cb6eac36eaf02b2' 
  AND (
    token = 'aa+8wnAa34gURegMlmPay+eECv/7SUnVO9b/suo1NeM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )