UPDATE 
  q_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ZlK9T2M5NRllUDognsY+YwC/JnFdWGHNLMkt5O380ak=' 
WHERE 
  key_id = '856c1db244052ae23dd2240ae5fde4c16073f563a0e9966fa47bfb0015cfd30a' 
  AND (
    token = 'ZlK9T2M5NRllUDognsY+YwC/JnFdWGHNLMkt5O380ak=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )