UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'd5mgqhxRCgP5Qj1zBYVMnS3MoZTDQ7jcOhk1+QJKHMU=' 
WHERE 
  key_id = '968db71e228f007aea340d2e20e7122a01964afa190b5910fc0e602131eae979' 
  AND (
    token = 'd5mgqhxRCgP5Qj1zBYVMnS3MoZTDQ7jcOhk1+QJKHMU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )