UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'VTt7UA5Bi6PHYyob89wLEKoGRnq7g83I3vXISM+WTkY=' 
WHERE 
  key_id = '8ac2e291b1c0c69fdf3f421b1389bcd917299c608544ff82ac2fe753c05ffc3c' 
  AND (
    token = 'VTt7UA5Bi6PHYyob89wLEKoGRnq7g83I3vXISM+WTkY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )