UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'gznBdeegJTpWQv83Vx5YmqQ3tzbPW6if+CWzIplEXS0=' 
WHERE 
  key_id = 'b029cb2c9d6bc2fafd73e9da4a554ceed4372af20391033e6a2eb56d1b4b5a0d' 
  AND (
    token = 'gznBdeegJTpWQv83Vx5YmqQ3tzbPW6if+CWzIplEXS0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )