UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ZmA5/D0glAxrqvQSD61iFDMwMSiG2C6NvD+0PTLRr/0=' 
WHERE 
  key_id = 'b50f57491a1dfbb909f6ad7868b10790cc28d857f8be6aedc72ca99c874f756f' 
  AND (
    token = 'ZmA5/D0glAxrqvQSD61iFDMwMSiG2C6NvD+0PTLRr/0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )