UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'bBxEHEg7luvOiS9+IrrDCMOkjV9BcKCgDqXEstDnrNg=' 
WHERE 
  key_id = '76af6915409b3ba7aef30f76a4dceccac0038ce84cf6dcc9f656df63b818e2df' 
  AND (
    token = 'bBxEHEg7luvOiS9+IrrDCMOkjV9BcKCgDqXEstDnrNg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )