UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'WntXd1rdwOrMLTskVjbSwyLDqT87uHliPa8RCObkRXo=' 
WHERE 
  key_id = '6e81a30bb8fe5fb103550701e8e5aa23ed37fe924e07b398c8b623de53f32b14' 
  AND (
    token = 'WntXd1rdwOrMLTskVjbSwyLDqT87uHliPa8RCObkRXo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )