UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PrBzLQqo0ajMB3IvAqePMCgNZhE3CdDOnJhuclhCyW0=' 
WHERE 
  key_id = '82c51bed226dbcf27b13b75721d7b4af6859008bd7d5feb4c84a279088be6023' 
  AND (
    token = 'PrBzLQqo0ajMB3IvAqePMCgNZhE3CdDOnJhuclhCyW0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )