UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PJRzxsIqX3+YUEWqjDcZsrIy1v2rxOx+vCcdd1mM78s=' 
WHERE 
  key_id = '6c4fbe3ecf93436662298471d762886b6224893bdb41433c2bcd608877cb4a2f' 
  AND (
    token = 'PJRzxsIqX3+YUEWqjDcZsrIy1v2rxOx+vCcdd1mM78s=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )