UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'I2Lz9oFewGMqimwgH58/ZQBpz1vqTUrhsbJ82TVdwMA=' 
WHERE 
  key_id = '4b6cfc94281921f842f1d170f07d75c31ee89799b14432d36a9490029e580433' 
  AND (
    token = 'I2Lz9oFewGMqimwgH58/ZQBpz1vqTUrhsbJ82TVdwMA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )