UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'SDtMBk5SYCmfXxr9qI3S56vNJaBaIfh5d1DaQVLDFrU=' 
WHERE 
  key_id = '493a9a08d2f33ab79e79b4ad6ffee1cad3ad3fbbe41ba80f6dc22d3c1ccf2d7c' 
  AND (
    token = 'SDtMBk5SYCmfXxr9qI3S56vNJaBaIfh5d1DaQVLDFrU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )