UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'BbQCdzmMgIDxwxvg4mz4RDGaa/SWeERLFQbj25Fb8kQ=' 
WHERE 
  key_id = '8738551efbf0f87a3cabc2d12b754bf0467ab9675b7960da9806b1270e031b49' 
  AND (
    token = 'BbQCdzmMgIDxwxvg4mz4RDGaa/SWeERLFQbj25Fb8kQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )