UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '2MgXyKxg376p/vhkKYCx3KljjQY7pVo61CirfUsTV6Y=' 
WHERE 
  key_id = '55d2b4d35895e4d189d248fc32fb2a938126c31d9ec6c8aa1c5eb716ef84ac27' 
  AND (
    token = '2MgXyKxg376p/vhkKYCx3KljjQY7pVo61CirfUsTV6Y=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )