UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mRfyq3mKW9Kg9gFPFx8RKHN96IV7HRWHiZX6tiij5OY=' 
WHERE 
  key_id = 'b835b57cf24e2a77619749a94967f1f938170a7e4d9ff844dddc661959be5a38' 
  AND (
    token = 'mRfyq3mKW9Kg9gFPFx8RKHN96IV7HRWHiZX6tiij5OY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )