UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MtNbz+le8wkNaMJDT9bs1QimDiXgSzHIaT09As13M8c=' 
WHERE 
  key_id = '7d576d238e80fea679a04d6b92b9d01f99b586840b50f0e4dae404d16512686a' 
  AND (
    token = 'MtNbz+le8wkNaMJDT9bs1QimDiXgSzHIaT09As13M8c=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )