UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'yLRtsu/k+VDEl7FGXPXoBln3iP7E185jkYLGyCJs3fY=' 
WHERE 
  key_id = '836cf42e8ae949fe48f1dd365d525f708bc918c900a23041c86efe02f8614165' 
  AND (
    token = 'yLRtsu/k+VDEl7FGXPXoBln3iP7E185jkYLGyCJs3fY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )