UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MrRM9vp4a2teibZyqjMnsOQzuxvf/32GlqCaR7EJm50=' 
WHERE 
  key_id = '5b4efe80d5672f27dcda98a408be982d4b06cf4027364a584f00f287d34c66ff' 
  AND (
    token = 'MrRM9vp4a2teibZyqjMnsOQzuxvf/32GlqCaR7EJm50=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )