UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Yln3VrCS8Y7FyRqqbX6iyQmR0Kwf0HP4GO0e1C2EcZg=' 
WHERE 
  key_id = '53b4d6187f9e7251edef1222f8f934fc455298426663b2446cd594b1934c8c9e' 
  AND (
    token = 'Yln3VrCS8Y7FyRqqbX6iyQmR0Kwf0HP4GO0e1C2EcZg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )