UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'xn9j8J2owGMhjVjWL9Eznljn+bDwUzeFeyaWjPsu+k0=' 
WHERE 
  key_id = '91422086542d9da251dff068ec6fd48aebbc31c83e9f691a92f5a8baf4a1afc7' 
  AND (
    token = 'xn9j8J2owGMhjVjWL9Eznljn+bDwUzeFeyaWjPsu+k0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )