UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Cl5Cwn1+IuObjyYtEU4bCQZDDTzc0fM/Vse1rsv8P3U=' 
WHERE 
  key_id = '0426eebe49b7747301741429ccc80c066d0c0d055e317bc595034df9c4e351c0' 
  AND (
    token = 'Cl5Cwn1+IuObjyYtEU4bCQZDDTzc0fM/Vse1rsv8P3U=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00045