UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '0gkr7uZH21QNCVYfg74uxVIr4X/KRWqtWY0hgSH0XdY=' 
WHERE 
  key_id = '80eae4e087a05af42cfa14ab104ac03dd3a5e55579cf99b0a615c5a9b636c3f5' 
  AND (
    token = '0gkr7uZH21QNCVYfg74uxVIr4X/KRWqtWY0hgSH0XdY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )