UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'pmQs6Z5KWFeRzo/o18aqpZq1VkGJOQnszh/CgoytUkc=' 
WHERE 
  key_id = '50a075429be93e122ed11ef78cf168f69acde89497597a6f5ff2bae043a97c80' 
  AND (
    token = 'pmQs6Z5KWFeRzo/o18aqpZq1VkGJOQnszh/CgoytUkc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )