UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'kp8h5c+agL6CCnO1cxKYzJ8eV8VG55KnuyJcf8U/vgQ=' 
WHERE 
  key_id = '4a6a192d14a002138a465774f40314a68708aa9ce03b3c2b824003ace99259f2' 
  AND (
    token = 'kp8h5c+agL6CCnO1cxKYzJ8eV8VG55KnuyJcf8U/vgQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )