UPDATE 
  q_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'eKVTKEBLuNm8kEuVRrGy8AVo59I/PtThdznod8sH1TM=' 
WHERE 
  key_id = '2fef14792a32e0ae8c752ba2904e666b9c7a862dc89f32f0c10ca459926f3009' 
  AND (
    token = 'eKVTKEBLuNm8kEuVRrGy8AVo59I/PtThdznod8sH1TM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )