UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Y90D0aDGeXWUo8wZBOhMAzB8JwUMWGFLvyfPuQFaG2c=' 
WHERE 
  key_id = '54621b3708eafaea1505305409a7d5994fa9123759847f98f41fa00abfc2df25' 
  AND (
    token = 'Y90D0aDGeXWUo8wZBOhMAzB8JwUMWGFLvyfPuQFaG2c=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )