UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'OPcf88Okmzb4dejgtYIOhv1BZppLS6k7Dwha2a7rQq0=' 
WHERE 
  key_id = 'c2a51371e4917670ad37fc26f206b8a004d12ce84a166e6b7513892e3f2835e9' 
  AND (
    token = 'OPcf88Okmzb4dejgtYIOhv1BZppLS6k7Dwha2a7rQq0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )