UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'yiVuGzGi8cNrLfwfuAzX807YNa3Pswq98/357oZ+za4=' 
WHERE 
  key_id = '4c231f821bff8a1446a7fdfe69d90aec023f6c4a7b04c2cfe724751f47398b49' 
  AND (
    token = 'yiVuGzGi8cNrLfwfuAzX807YNa3Pswq98/357oZ+za4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )