UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'E3hu3qa6MeQ800PYyJGLFQCHzFnquN6ANDG18TEnN+c=' 
WHERE 
  key_id = '921c4c64f35a4232df7bde1cf6783494d4f81af7fa1c9112a038646eac806d76' 
  AND (
    token = 'E3hu3qa6MeQ800PYyJGLFQCHzFnquN6ANDG18TEnN+c=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )