UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Cr0g5WT1s+yYkLix3IChhE19hjn/z3y8WGRlDXvVE3U=' 
WHERE 
  key_id = '4a81f7104b4986d23f2ff35734e7e0a60bb7742852094400392df87800162c51' 
  AND (
    token = 'Cr0g5WT1s+yYkLix3IChhE19hjn/z3y8WGRlDXvVE3U=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )