UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'tS+eCGWTMVJbrpi6IEcvQ1JfcxwueMMjbeVo40kjQtw=' 
WHERE 
  key_id = '39f480ea772aa1063876bb45e282f011a6de749341e426c9607d21a92de57162' 
  AND (
    token = 'tS+eCGWTMVJbrpi6IEcvQ1JfcxwueMMjbeVo40kjQtw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )