UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'o+PJ8QjBq4tx0TnnIvJ2N2I1Ax2q0wkB6IH9ZlTRayY=' 
WHERE 
  key_id = '5a68007cb0c568a2342caf9ea302fe64d7a3255e43e251e203eba8c85472c9d7' 
  AND (
    token = 'o+PJ8QjBq4tx0TnnIvJ2N2I1Ax2q0wkB6IH9ZlTRayY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )