UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mpNCYa0qUfmSqF+WVzOoqSF/Od5YsDyQ/XAsLRW6RvM=' 
WHERE 
  key_id = 'b47103974573b83fdea01ba54fa30a12a2d354f72a338172321ab403fd1f2917' 
  AND (
    token = 'mpNCYa0qUfmSqF+WVzOoqSF/Od5YsDyQ/XAsLRW6RvM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )