UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '7UVhOtajrv3EVjBHpFLgVRdPaDPjFFJhq95PRKsrrLo=' 
WHERE 
  key_id = 'e7f5bd0b72e721aa4d895a161722e3f664660c9224818026f9c783a262aedc7f' 
  AND (
    token = '7UVhOtajrv3EVjBHpFLgVRdPaDPjFFJhq95PRKsrrLo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )