UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'lkkXu+TSc8NH1vAgNRXhIeVnk9AUWC+cgceaft+3Pls=' 
WHERE 
  key_id = '6b8ca163583abfad1c383062950de4a09a9512db195a3bc296d5dc695b937458' 
  AND (
    token = 'lkkXu+TSc8NH1vAgNRXhIeVnk9AUWC+cgceaft+3Pls=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )