UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'nhR7vgffu4Y6Sr7GEOgS8X3yF1E0rqvqH9mfYxZztBY=' 
WHERE 
  key_id = '254b3dcd35fb8a967bba8856f6f6104ddf837bf62d921b620d17c90b50f8f2c5' 
  AND (
    token = 'nhR7vgffu4Y6Sr7GEOgS8X3yF1E0rqvqH9mfYxZztBY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )