UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'NUcdqVMjhPZHh65+njFt1ZlHL8RHIKPmrtiXBw7epVw=' 
WHERE 
  key_id = '97e74232a9857f3be83389b09babe4fd5f8b15471b4c28738349449f217a3ced' 
  AND (
    token = 'NUcdqVMjhPZHh65+njFt1ZlHL8RHIKPmrtiXBw7epVw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )