UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Rr8UfrzkP6NsqdUXo+Gh9zgwcd6UX46NfEjSx1Hpu1E=' 
WHERE 
  key_id = 'bf40162b99810b2b39502c37c33f58e4641ccda964dfe2c23f02babd2df65585' 
  AND (
    token = 'Rr8UfrzkP6NsqdUXo+Gh9zgwcd6UX46NfEjSx1Hpu1E=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )