UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'pjJK4iF0byGiSwf5telRJbhXHAfT6MYk+6KtUIvev14=' 
WHERE 
  key_id = 'd1d932e332a2f465a585be37a35cc3a6c63ab70955fc409ac2f6b8551303ef7c' 
  AND (
    token = 'pjJK4iF0byGiSwf5telRJbhXHAfT6MYk+6KtUIvev14=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00032