UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'wbpljiG2/4hmxNOt9j5fa9yl8M+FXZC1aU+j39XxetQ=' 
WHERE 
  key_id = 'a87170c00f3da3af09b8dcf71a73c596d21d936c35a796ba087e9b9e363d27b2' 
  AND (
    token = 'wbpljiG2/4hmxNOt9j5fa9yl8M+FXZC1aU+j39XxetQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00037