UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'z2mNGOvG07Ct7D62pqTVWlt6OdC2lLtm8uR7SxRsLaw=' 
WHERE 
  key_id = '7a9e311abaa236bce8518a18ab0cd8c313f5bfde37d8281982885e3fd6fe8a2e' 
  AND (
    token = 'z2mNGOvG07Ct7D62pqTVWlt6OdC2lLtm8uR7SxRsLaw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )