UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'khF4r2cGHx4zW8C60LStEU50gRjfsmvCElTyzqa24MM=' 
WHERE 
  key_id = '3aac4df4dbac3ea8675d64caf1babba2649649f1928a84a9dea669381e31e892' 
  AND (
    token = 'khF4r2cGHx4zW8C60LStEU50gRjfsmvCElTyzqa24MM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )