UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'El9G9vd/6iDn5xV8Fxub2qGLcFKBzT0hI1RJQhosq+U=' 
WHERE 
  key_id = '38ebf5a1b3b27208a94a527a15a7579435c6a7b4c16b923191fbfebbb030a2d5' 
  AND (
    token = 'El9G9vd/6iDn5xV8Fxub2qGLcFKBzT0hI1RJQhosq+U=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )