UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'imhQwUa7wz9+q/NICvIcd/td4+xfKrBKoa/G4daFY/k=' 
WHERE 
  key_id = '3a49db5c1e8d7ce87d9e59797ee1f092d89eecac5aecdb3d3a99e0866165924a' 
  AND (
    token = 'imhQwUa7wz9+q/NICvIcd/td4+xfKrBKoa/G4daFY/k=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )