UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '+YtfDyo8UOGRCrQn3VPUccN6fHZextXMnrIuWOST+pg=' 
WHERE 
  key_id = '78d9a0d2a6ef66525fe7cdc901d9853c64baece4998e40815e5866d47578534c' 
  AND (
    token = '+YtfDyo8UOGRCrQn3VPUccN6fHZextXMnrIuWOST+pg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )