UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'rNm6mK2OuNHjyo4Flu10Vg3/A1EiS1KF5QuxJnFIdRg=' 
WHERE 
  key_id = 'c8c5c1b876278f037c34582477df39c8745bdce19e1a20f2d0ff042f69f28a06' 
  AND (
    token = 'rNm6mK2OuNHjyo4Flu10Vg3/A1EiS1KF5QuxJnFIdRg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )