UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'IKRSd9bGsC5i/+ZKID8yXD7RrT+9gdEzZ40xQSO39gM=' 
WHERE 
  key_id = 'e7f17acc5ecd5b0bfa69b9a8b765a2a47ddb1d08ad9712b722d61c91cfcbf783' 
  AND (
    token = 'IKRSd9bGsC5i/+ZKID8yXD7RrT+9gdEzZ40xQSO39gM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00033