UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'KTaCrV4/dshdQWaEEtaTbsL2zY6qZlgpze+3rRDU6D4=' 
WHERE 
  key_id = '8ac8d375203d7c605fdad5357066a837b176589a826658c5bffbd3b1239177c9' 
  AND (
    token = 'KTaCrV4/dshdQWaEEtaTbsL2zY6qZlgpze+3rRDU6D4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )