UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MJcTf0nlCxYEKui1o9dtWydShHC0DxdE5MMOKwSG2zs=' 
WHERE 
  key_id = 'e3ef8bdad9380480a6ec5571eca90af7fce93272175f5c46294a286dddc094b8' 
  AND (
    token = 'MJcTf0nlCxYEKui1o9dtWydShHC0DxdE5MMOKwSG2zs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )