UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mhomImc1hxZJ1SxNcqsAuB7EH0rNZ1Ux8I1kK+jeLOg=' 
WHERE 
  key_id = '20262f2f593f87cb13e59fd6cdafbb51571dfab844decab8ce3db4cb0fd3a2f1' 
  AND (
    token = 'mhomImc1hxZJ1SxNcqsAuB7EH0rNZ1Ux8I1kK+jeLOg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )