UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'W6+VSuP7fwcecnWJnyTUpBeEPrXbDWqm1aUW9cciALk=' 
WHERE 
  key_id = '5f1b2ffdb56e6251502f3d86c0ce82b5c0064606183328a24741dd87e7de7617' 
  AND (
    token = 'W6+VSuP7fwcecnWJnyTUpBeEPrXbDWqm1aUW9cciALk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )