UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'iBmMRPGqUDYL5Bju14uBdX/kjFZZFkwf8KSm/ds5htc=' 
WHERE 
  key_id = '87af399ad6e589d25d3cce302301d2f45a3edaef992fa38f68ff03488713b71c' 
  AND (
    token = 'iBmMRPGqUDYL5Bju14uBdX/kjFZZFkwf8KSm/ds5htc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )