UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'q14zoZ/6uvEFvjFqehRqpShB6KeEPHqCx9YVGxIst6E=' 
WHERE 
  key_id = '21a385316ad5fc556f9734acd388b597d5edee547faffc79df650d93a5f95f65' 
  AND (
    token = 'q14zoZ/6uvEFvjFqehRqpShB6KeEPHqCx9YVGxIst6E=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )