UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'DCLZ0Dd5dCN3ity5hby0xl8yRhpyrnYv34rNAxx0tSg=' 
WHERE 
  key_id = '301b7bc993a5497a291b007930b967ea7d098a343e7a378a3012663022a86dd7' 
  AND (
    token = 'DCLZ0Dd5dCN3ity5hby0xl8yRhpyrnYv34rNAxx0tSg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )