UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '+st6sWzjDcNPdPvHZX+Drg6TdYTq25roEa/RBNo3Kfc=' 
WHERE 
  key_id = '27f44b28475da1f4c302e18e71b7247c6d3678bbd6ab92b3db31b46e84e4eeac' 
  AND (
    token = '+st6sWzjDcNPdPvHZX+Drg6TdYTq25roEa/RBNo3Kfc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )