UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PxcNrpo1Ek2e2Kgh+h6KbKqSXDhumRqp0pur32Ihnbw=' 
WHERE 
  key_id = '2b12d85d161a9c7d178d9d00eba647e38f71a8b029bace1c0c9ba71bc07b67df' 
  AND (
    token = 'PxcNrpo1Ek2e2Kgh+h6KbKqSXDhumRqp0pur32Ihnbw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )