UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 300, 
  token = '+XNC/efJaIXftdD4vDaHrs8SkXK6RgPtJVjV62Ue4Qc=' 
WHERE 
  key_id = '5443df9f4ba7a252ef9779249bf25643c54a7b486d89995c1bd82d4ebf169169' 
  AND (
    token = '+XNC/efJaIXftdD4vDaHrs8SkXK6RgPtJVjV62Ue4Qc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )