UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'f6VrYgrljHyGXNgU/Y75dJy4FjJ2Yalrzh53KzrAj1Q=' 
WHERE 
  key_id = '4eebc1ea6b546df83d87194255daa33da0a9977e1f8c497056acd66d1e947ca5' 
  AND (
    token = 'f6VrYgrljHyGXNgU/Y75dJy4FjJ2Yalrzh53KzrAj1Q=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )