UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MkfHRlNhfQ/ZOmIV2eNKmDzLh/8AINyToURGijnANRM=' 
WHERE 
  key_id = '91f632b975874815ec38b5bf199cad88657283f44282761b641a64485442a22f' 
  AND (
    token = 'MkfHRlNhfQ/ZOmIV2eNKmDzLh/8AINyToURGijnANRM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )