UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 't0HykYbQJvu4fnWOMdx5u49wDF6aZwj26J0GPQLp1wA=' 
WHERE 
  key_id = '4d21866920d37673a2ada5363119058796916a1b946e03fc2fe28869b538df2f' 
  AND (
    token = 't0HykYbQJvu4fnWOMdx5u49wDF6aZwj26J0GPQLp1wA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )