UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'JpWJJmn1xL7y0vM7uWq2/t+5UArnrrJxuUOROfppSYU=' 
WHERE 
  key_id = '4b97f3892137a6572e5b50c5e8849d8af2c64bda20895f98b081506b950e977c' 
  AND (
    token = 'JpWJJmn1xL7y0vM7uWq2/t+5UArnrrJxuUOROfppSYU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )