UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'uV/IEgGKKcI253O7p6B3TFbxq/BtyTo3sy+tZzjmzrY=' 
WHERE 
  key_id = '8f2fa89bbb78d2f95d283bef5a991de1d4ce5cf9bd8de0a9395d1d84f72992a5' 
  AND (
    token = 'uV/IEgGKKcI253O7p6B3TFbxq/BtyTo3sy+tZzjmzrY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )