UPDATE 
  vi_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '+nBBVxgu3W6ld8prAXX0WHaHIWLzizMOkYghV1iD+pI=' 
WHERE 
  key_id = '93bdb0e07deaa34aff382efc04a8cd6b773bf7c02f3e2a2f60f6dca89bbeb33e' 
  AND (
    token = '+nBBVxgu3W6ld8prAXX0WHaHIWLzizMOkYghV1iD+pI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )