UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'h3M4zjUIWycSZ6BOHGacDcuKBW9KoPxrnQrdNCZC6h8=' 
WHERE 
  key_id = 'cd0d2a63e65b86af0d84a796e508dfe2d70133be49ebcfbead3fa3d9c52a60d7' 
  AND (
    token = 'h3M4zjUIWycSZ6BOHGacDcuKBW9KoPxrnQrdNCZC6h8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )