UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'sD6HpzQt+hh70rErljOr5smaWyg1P77srzkwUeOWPj8=' 
WHERE 
  key_id = '314745ee455539c7480fa1decc2df0bf0e0674fd9d517ac7272c9c6b63ae89ff' 
  AND (
    token = 'sD6HpzQt+hh70rErljOr5smaWyg1P77srzkwUeOWPj8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00052