UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'aOu6Gbr9DE0LxGAagvFehc5roVxn9doZwHTyafRAxrw=' 
WHERE 
  key_id = '940c6eb9ddb023b44ac2474e88906c10b8c8b32e4c7131b74c8589795b3eed03' 
  AND (
    token = 'aOu6Gbr9DE0LxGAagvFehc5roVxn9doZwHTyafRAxrw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )