UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PGUxggLPEnxn4F/rj2LpT28pIM4tZlg8pNJ3ppfKOW0=' 
WHERE 
  key_id = '79d485f9ed16f33df964d9f38914379bcb78547f740e4114fd03f1a011e661c4' 
  AND (
    token = 'PGUxggLPEnxn4F/rj2LpT28pIM4tZlg8pNJ3ppfKOW0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )