UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'nzmV+5aISB3+FX+W+lt2chYGZBIL9at/MFWsltCDpVw=' 
WHERE 
  key_id = 'a6cd21fbc4e6c8edbb3731245f6d814c4f936860ebd56fc47a325b5e9f778af7' 
  AND (
    token = 'nzmV+5aISB3+FX+W+lt2chYGZBIL9at/MFWsltCDpVw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )