UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Mdui8fMkks9cAQSqdWqVCtrp2GAXRra95c/mFJvAAjM=' 
WHERE 
  key_id = 'b99e3e040a91f60a8a80250716ee9a39c472ad8605e1157cd24905c6fab01562' 
  AND (
    token = 'Mdui8fMkks9cAQSqdWqVCtrp2GAXRra95c/mFJvAAjM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )