UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mJ4Zzw2ckgCHwqI2eEl+ssEg1/2CHk6UaoWsLQJJz0Y=' 
WHERE 
  key_id = '683a9c7642ca81767a09944c93ddfe7339d1c97b0850c7c18efb7d287da7dd47' 
  AND (
    token = 'mJ4Zzw2ckgCHwqI2eEl+ssEg1/2CHk6UaoWsLQJJz0Y=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )