UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'B2w2O+oBf2L0gLhYMZqUcz8cBFwWYxoaz2O3zGjoqaA=' 
WHERE 
  key_id = 'dfe84e28ee489bc59d684d757472e82b7474a2091933adbfe4663883b4ec67b0' 
  AND (
    token = 'B2w2O+oBf2L0gLhYMZqUcz8cBFwWYxoaz2O3zGjoqaA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )