UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'LLjh6XEh8qJudicZqSaz299DUXbO3qguOp4S+bVCsWo=' 
WHERE 
  key_id = 'd56edee1414e6ae3abe7d09b8dbcbb90bcb1a7436f4a346023ce545563a99047' 
  AND (
    token = 'LLjh6XEh8qJudicZqSaz299DUXbO3qguOp4S+bVCsWo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )