UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'y5Tu+kjfod3d07jqfINTAog+bn9/+Tk6kyXtCppPEi8=' 
WHERE 
  key_id = '51ac806da8e7ffd98cd7ffd4073f5f7d63f7fd2526c5b79e050b7216c1f81f5f' 
  AND (
    token = 'y5Tu+kjfod3d07jqfINTAog+bn9/+Tk6kyXtCppPEi8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )