UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Emr0o3Yzgpn2PdAua22SN6AfyWzvGDefqsaJSpyFki4=' 
WHERE 
  key_id = '3255094895f6e77e0d10f6a929887776b9edb520b6a5a40e458ca1c1d287b773' 
  AND (
    token = 'Emr0o3Yzgpn2PdAua22SN6AfyWzvGDefqsaJSpyFki4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )