UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Z29ZvcmaYkMtRfEUmHIDMuKtsaocJWOEjh/CKY+C67Y=' 
WHERE 
  key_id = '83845bda97847c02c30c9160618e6d9ff7cdbbf1f39de61df293a0889a50d479' 
  AND (
    token = 'Z29ZvcmaYkMtRfEUmHIDMuKtsaocJWOEjh/CKY+C67Y=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )