UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'GmdIQ0/scVnNV+dexHFKMxVNP/wjd9a9XYpUSKetqKQ=' 
WHERE 
  key_id = '83b6cea222aead261be697df2eb917ad99833f2df62284a3dd42dcbfe5a0c454' 
  AND (
    token = 'GmdIQ0/scVnNV+dexHFKMxVNP/wjd9a9XYpUSKetqKQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )