UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 't9JGsomXO6K6rexEfrczuNRoURgTJ5XTTcl4cgiSljo=' 
WHERE 
  key_id = 'c698839f119f3310f55477b3d502cdec436e461303daf6d6aaf6c7fc3e1db772' 
  AND (
    token = 't9JGsomXO6K6rexEfrczuNRoURgTJ5XTTcl4cgiSljo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )