UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'JRdSKnsEjez7TutskqfAWEUpRsxCrbysIGQHFEOhBck=' 
WHERE 
  key_id = '5d5e38e29fd83b91d4de255369f53cf2192f49c5a1b895d69d0736ed3668591e' 
  AND (
    token = 'JRdSKnsEjez7TutskqfAWEUpRsxCrbysIGQHFEOhBck=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )