UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'kGzDgUAfPMJzoCH0BgSAmlV8eapj/9U7NQgfcAYBYsc=' 
WHERE 
  key_id = '4eb5bdc6685c6be106ef67493178de1a3ba089251ea10204d116ad360e37628a' 
  AND (
    token = 'kGzDgUAfPMJzoCH0BgSAmlV8eapj/9U7NQgfcAYBYsc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )