UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '/HklBzT1ca7WE1fphQnDQfiyEGlYJrLZszzcvtmyoqE=' 
WHERE 
  key_id = '91e1b499461596e20404d60eea21298048def99027155ff991c503a9ee59ddd8' 
  AND (
    token = '/HklBzT1ca7WE1fphQnDQfiyEGlYJrLZszzcvtmyoqE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )