UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MPZMD/Wbfdf1zrXkpoLttaGlh2q5WqIvBncm2mi20Xo=' 
WHERE 
  key_id = '9942c303f59debbc58cb9911b1d105f4f07cc239642d2b749f477fed23dab255' 
  AND (
    token = 'MPZMD/Wbfdf1zrXkpoLttaGlh2q5WqIvBncm2mi20Xo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )