UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6RhcELcfkmITbqfqaH3avxWW253ZxGC4kO+If6xiBhc=' 
WHERE 
  key_id = '3083587ba56a17036d8a171d520d61124e0304b90869150bb9d06be8b48b4824' 
  AND (
    token = '6RhcELcfkmITbqfqaH3avxWW253ZxGC4kO+If6xiBhc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00022