UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'yd8ARfu3JRHpl97QJmLgbl/6tJguVvpI/sYjJ47OJr4=' 
WHERE 
  key_id = '698a9df7299129428478cb6c6989d7889311df5e43d937471381c975e71654e5' 
  AND (
    token = 'yd8ARfu3JRHpl97QJmLgbl/6tJguVvpI/sYjJ47OJr4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )