UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'gtwKfDwrlOkOCJDBLVaYI0I2c5B12yxP78iScb6KhoQ=' 
WHERE 
  key_id = 'ebc4f05f4de1fa1c93de007733ea43e41eecef1d5f750d609c13783f867da86e' 
  AND (
    token = 'gtwKfDwrlOkOCJDBLVaYI0I2c5B12yxP78iScb6KhoQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )