UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Vu6Tj3BSf9ieMm4e517DAxWiRU3jCP1NxPClQ8uCNwg=' 
WHERE 
  key_id = '304eecaab6f088fa449563a426d58450f65b754c669360acc9b21259774cf199' 
  AND (
    token = 'Vu6Tj3BSf9ieMm4e517DAxWiRU3jCP1NxPClQ8uCNwg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )