UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mAGdfClXiFN/H6MiwHcgfyHXO1on9+UL2VZFFxVpZ2Q=' 
WHERE 
  key_id = 'a9fe4e9d147b5eb3287e52209cb9abc3ebbc8003f341f2f208cfcd5aa9d37b8d' 
  AND (
    token = 'mAGdfClXiFN/H6MiwHcgfyHXO1on9+UL2VZFFxVpZ2Q=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00021