UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'c3PaPiqLbufNbloQuDy971k1cV/mZG8Rl7HxoO5kA7Q=' 
WHERE 
  key_id = '91b62a81202d54cecde48089fa520c6a1af8e7ac7eba9e20618144af50f1f327' 
  AND (
    token = 'c3PaPiqLbufNbloQuDy971k1cV/mZG8Rl7HxoO5kA7Q=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )