UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mkBn89bNGzzGpojPxoYsRYCJ/VxYsyVapIYH4KZbIRE=' 
WHERE 
  key_id = '9c6c2461a021ede3404da15c82bed4ddd76ef539b8d5dbbc4207934fdfd861a8' 
  AND (
    token = 'mkBn89bNGzzGpojPxoYsRYCJ/VxYsyVapIYH4KZbIRE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )