UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'VRXBzFN53G+Q70PlxxJOX+F2kzffTWwjT0f8QuFQ1fk=' 
WHERE 
  key_id = '40bfc39d4b7f3960bcf2ff8648077817fbf92b4bfaface12759d76678236f72b' 
  AND (
    token = 'VRXBzFN53G+Q70PlxxJOX+F2kzffTWwjT0f8QuFQ1fk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )