UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'u6L1RtKZAK3Oobm7b1Iv2DgocG7eKhtzCx3V0piePeM=' 
WHERE 
  key_id = '76c3e3658231ac00b875479d4253ec0b83e25e6f9bb7f3400e753d025a6e2c16' 
  AND (
    token = 'u6L1RtKZAK3Oobm7b1Iv2DgocG7eKhtzCx3V0piePeM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )