UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'sarF6P3/dToBzMBzjvwQ8fOkrQTChMceVZzpDDCRWjI=' 
WHERE 
  key_id = 'c826ca798119a0fbf32c724a03cf0231e9c8f8e141ad9de8c903c2cbea50bbb4' 
  AND (
    token = 'sarF6P3/dToBzMBzjvwQ8fOkrQTChMceVZzpDDCRWjI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )