UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'khsny6wH3UiPp1hU6VyMAu1y6iekqcXR8Dhp5VBsIfE=' 
WHERE 
  key_id = '2bafaf81db406b2d0c42a938a6c4755592a5b2a59376dc20de247de3096a201f' 
  AND (
    token = 'khsny6wH3UiPp1hU6VyMAu1y6iekqcXR8Dhp5VBsIfE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )