UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'uhciwmspdCZqiExgZNF0zqVtXghV3cojGWT+Bw68gdk=' 
WHERE 
  key_id = '68a53d5fdeda297ef60393cab716de2de9fa016b4ca78680c6d668867c9b29e8' 
  AND (
    token = 'uhciwmspdCZqiExgZNF0zqVtXghV3cojGWT+Bw68gdk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )