UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'n/ysVkM0A/oYTnuAgto31Jpzeo1iI46oVoEPxqqN9QU=' 
WHERE 
  key_id = 'a5fb59f6e6f3ef5d512dfde1d8ecb7556ca1bdfbd38aa923e2ecdcd9ad200436' 
  AND (
    token = 'n/ysVkM0A/oYTnuAgto31Jpzeo1iI46oVoEPxqqN9QU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )