UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RZqP22fbeg5oG1UTvdes2kQAZq7AdOln4weTj9vFteQ=' 
WHERE 
  key_id = '749eb58835e52f05d34a7f00b14c2671f032bce03762a986f2c3d6c26172f55f' 
  AND (
    token = 'RZqP22fbeg5oG1UTvdes2kQAZq7AdOln4weTj9vFteQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )