UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MZ1ZNqgOVbBEAt6wBdCt4D4ELySksIaDR8lkBmYbd+8=' 
WHERE 
  key_id = '981ad2d52d63faede1320999a079deed8c3b3a2c63717249c51faac29e049337' 
  AND (
    token = 'MZ1ZNqgOVbBEAt6wBdCt4D4ELySksIaDR8lkBmYbd+8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )