UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'a9Rvmxu6DLJs9WOtReaz+5pz0ztMCGQxd1J5czE3t9k=' 
WHERE 
  key_id = '31b90051ceefb68b97b92cf78b61beb934d0ebf30b754db23d261315833a07b3' 
  AND (
    token = 'a9Rvmxu6DLJs9WOtReaz+5pz0ztMCGQxd1J5czE3t9k=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )