UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'n6rWuThJ1mvE9Fn0O08El33Pcashi3g263+yTPj33uU=' 
WHERE 
  key_id = '6973e8a3c519e0e972884afba962c43d37d0c0f567ce2795b8274ddb2c74652f' 
  AND (
    token = 'n6rWuThJ1mvE9Fn0O08El33Pcashi3g263+yTPj33uU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )