UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Vu4J9v042JKzamG3xHYT40aZ9diS+XcqgPyw3QPmQUc=' 
WHERE 
  key_id = '4d76bde2c5e567f3ff9607823b3fd2f51e9fe7f137e44d5469d3d38edcb5f72a' 
  AND (
    token = 'Vu4J9v042JKzamG3xHYT40aZ9diS+XcqgPyw3QPmQUc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )