UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'fhZSCCGQaJQdRs7OO4jeg/WsR4yJUFHwqsGdBnAeGT8=' 
WHERE 
  key_id = '849264ec0ce1e658260adf807c5b688a6a21714b3a5797286d0120212afd652f' 
  AND (
    token = 'fhZSCCGQaJQdRs7OO4jeg/WsR4yJUFHwqsGdBnAeGT8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )