UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'q6YBWQQFhQgSUvYrlhaNZW4yqr242T8U0oUjFfljCPQ=' 
WHERE 
  key_id = '2db38a81f30cdf72cf31a6c704367b62b6aa161e835da270c71d17c0209f4a9d' 
  AND (
    token = 'q6YBWQQFhQgSUvYrlhaNZW4yqr242T8U0oUjFfljCPQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )