UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Mt8Vfb3Vmv5gGuMILcZdx3bcKz5A0ZMiHrXSdUfHGOQ=' 
WHERE 
  key_id = 'dfb618fdf93ef6f4664d012be715d74acda1b8654d2cb71ffbc87e6c1d394e65' 
  AND (
    token = 'Mt8Vfb3Vmv5gGuMILcZdx3bcKz5A0ZMiHrXSdUfHGOQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )