UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'j7yi4rtd+OG7S3td6hzJh8tecCHjcO3mjtCP/LVkdDY=' 
WHERE 
  key_id = '847473e1f43ac11df2fee96ae3c8a7d598903279840ad9b86b8f2124a87dce53' 
  AND (
    token = 'j7yi4rtd+OG7S3td6hzJh8tecCHjcO3mjtCP/LVkdDY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )