UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'UJkZWVlwmEsinc6AV5ghzRd8mX40AlrIg2IA7rDN8YM=' 
WHERE 
  key_id = 'b21d767e257e9835ac488bddca9f9c3cea14f996337e4a6d81beacbb79474c92' 
  AND (
    token = 'UJkZWVlwmEsinc6AV5ghzRd8mX40AlrIg2IA7rDN8YM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )