UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'D5IkTFhwBmUaLTB1igO69viosqeDsGtYOFpnmxqn6EM=' 
WHERE 
  key_id = 'daed969361941040c9e85552dc1c8123372e2c557992bbb52cc479504a284b5f' 
  AND (
    token = 'D5IkTFhwBmUaLTB1igO69viosqeDsGtYOFpnmxqn6EM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )