UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'tfihPTdarZ5RblEmocQ9e1nfii75i5RcsL9ZjNv+mEs=' 
WHERE 
  key_id = '50814f6b6f07c6a7aacd93e752c0c3b998d46a1389910b02a9eab465d3b79ea7' 
  AND (
    token = 'tfihPTdarZ5RblEmocQ9e1nfii75i5RcsL9ZjNv+mEs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )