UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'wfz7VxZxLVt3QhqPErlvb5A17UgRDYCrD3tfnkFo3PI=' 
WHERE 
  key_id = 'b31d68857d83d220e93133718e9956a723ed712576c16c4ef00d79735305ed27' 
  AND (
    token = 'wfz7VxZxLVt3QhqPErlvb5A17UgRDYCrD3tfnkFo3PI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )