UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Dxk5M336d75jCu8E6X3hMFry8ebTEtZXvx1vmIu69ns=' 
WHERE 
  key_id = '64cfbc9262b5b0cd2d3e33b828d42f6e92a05be64ca3662429138fd9600d52be' 
  AND (
    token = 'Dxk5M336d75jCu8E6X3hMFry8ebTEtZXvx1vmIu69ns=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )