UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'vZ/7CIxFldnidUFk4gZIYugHYHkYM8tFWUqJRZzWekk=' 
WHERE 
  key_id = 'af53ac38c2ea98943309baf5d98bf1469c11ea9f0b63df77e9ece69fb5ad3bc3' 
  AND (
    token = 'vZ/7CIxFldnidUFk4gZIYugHYHkYM8tFWUqJRZzWekk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )