UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '/CjbcYcMOPskQvCAIi78+6oVGOj2Y8U4oHjWEG/k3G0=' 
WHERE 
  key_id = 'b6d767c26ab056a6e7f556470d96d8395eaf8317402cde4cdc1b3a2d00c23b0c' 
  AND (
    token = '/CjbcYcMOPskQvCAIi78+6oVGOj2Y8U4oHjWEG/k3G0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )