UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'e2mmyvjLbdYRk6h7AoTkMl3bTVyd445gmvwibQSy6yU=' 
WHERE 
  key_id = 'e7986e030a3d30f635296ba6c342108812c99e426d18b37314edc4d767947307' 
  AND (
    token = 'e2mmyvjLbdYRk6h7AoTkMl3bTVyd445gmvwibQSy6yU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )