UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Xv03zOaxGRafUO8SVVc91zgztm6Y/wKHOGJzfyYUivs=' 
WHERE 
  key_id = '50f493f3fd918e59a6350bd42bc74a57570e4085288d63c6065ec94addb4ad82' 
  AND (
    token = 'Xv03zOaxGRafUO8SVVc91zgztm6Y/wKHOGJzfyYUivs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )