UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'u2LSvuHjlbLiXvwOm4pfgqA1AgJ1Vh7xBPbjKkW+ARU=' 
WHERE 
  key_id = 'b7a5c900df1300cb2aeb3072ced341b028dedc0de4e05ff585412d79536453a2' 
  AND (
    token = 'u2LSvuHjlbLiXvwOm4pfgqA1AgJ1Vh7xBPbjKkW+ARU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )