UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'TmBqMaWdVJ6oH9rVNL0zjPSiWv4FZvgsXljELAasNrY=' 
WHERE 
  key_id = '7cb8d187e2cc3cdfc4f39082a912418733032820776bd58e843f6ca863e2d314' 
  AND (
    token = 'TmBqMaWdVJ6oH9rVNL0zjPSiWv4FZvgsXljELAasNrY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )