UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Mu8KGHxUrEoQz0Hicl3kCZzIFdjzNhTSH5pa4R5Onrg=' 
WHERE 
  key_id = '6e9fb6a1079c192f6c0788e1dca1fdb46f0671144f4603cf58608c2c0030af81' 
  AND (
    token = 'Mu8KGHxUrEoQz0Hicl3kCZzIFdjzNhTSH5pa4R5Onrg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )