UPDATE 
  cscart_aprillock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'QHMoyJIuOQL6Jk5Mnj6ToBZ4jgA20yGCaAaUn/5tpoQ=' 
WHERE 
  key_id = '6cb6269c626dca029ec90e93a0fd5b7eab1ccd6f5aee74ff7f9df102e9276319' 
  AND (
    token = 'QHMoyJIuOQL6Jk5Mnj6ToBZ4jgA20yGCaAaUn/5tpoQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00030