UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'N9Tim7mJb7mqXfxkWJHMscCesHvWYJcUXzKW1SB6LRI=' 
WHERE 
  key_id = 'c459a9060083e8927f7b33e76693b261012ace96623c3cc33befe4d23e5916d0' 
  AND (
    token = 'N9Tim7mJb7mqXfxkWJHMscCesHvWYJcUXzKW1SB6LRI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )