UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '0u/0g+aKDyNDrPZRAojPoTRdPc84HxVbFkyqzAchELE=' 
WHERE 
  key_id = 'b646b704e032de9ecf198af430fd4686ae883ca4d8b15e4b202bb51e456f760d' 
  AND (
    token = '0u/0g+aKDyNDrPZRAojPoTRdPc84HxVbFkyqzAchELE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )