UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'GnRYYME3pbAGCcm/cSFTi5bTggzH78o39ELyIv7a8ag=' 
WHERE 
  key_id = '81a603b0c557810e137122b16004c54a34de1c94ee46f9913266050417528436' 
  AND (
    token = 'GnRYYME3pbAGCcm/cSFTi5bTggzH78o39ELyIv7a8ag=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )