UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Zxzgi86rrjNzMgcszXuGtMU8N3jIV9VJY0KSMFte7i4=' 
WHERE 
  key_id = '1a6547984f1cc6bf894c01b6aac189ee55cf995314797c2832acd9b84734ecad' 
  AND (
    token = 'Zxzgi86rrjNzMgcszXuGtMU8N3jIV9VJY0KSMFte7i4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )