UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'uRPWFy4as0TMP57fDMKri5AJgxUIFDEiYrpbnWoQkzc=' 
WHERE 
  key_id = 'e51fc910d16f31d9a3a2e1b29d5aa70ef447974773f730dd2f267a3038aee8f0' 
  AND (
    token = 'uRPWFy4as0TMP57fDMKri5AJgxUIFDEiYrpbnWoQkzc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )