UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PwRFLrmwOTmhsYtskmmm0RFd5/Q/9pQiygw5Iwef8hs=' 
WHERE 
  key_id = '8d7779b93d7b62889364619aef33656c4a66f5d6433c954113309833b81ba370' 
  AND (
    token = 'PwRFLrmwOTmhsYtskmmm0RFd5/Q/9pQiygw5Iwef8hs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )