UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'AbaPlELkshl1sRfazvzfzkGpOhiChlTFfrQNim+Nj9k=' 
WHERE 
  key_id = 'f6e0226748ecaf5a5b73b89aa2454dac2cb58f2c1d82cacbff797b4b94e08a44' 
  AND (
    token = 'AbaPlELkshl1sRfazvzfzkGpOhiChlTFfrQNim+Nj9k=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )