UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PPSvv4Qjiov/p6FHoLNFPf7pe9cN4mZCcqE+SVad2pc=' 
WHERE 
  key_id = '8e31f5796eb5b30378e8a6c81cb82d65f7b3a95f21e0e83f4b499bd14e7a0d2b' 
  AND (
    token = 'PPSvv4Qjiov/p6FHoLNFPf7pe9cN4mZCcqE+SVad2pc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )