UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'YS8EjGNEwQzgsl38xnz2BEJ6qKIhWiCnihyKBcFkrOw=' 
WHERE 
  key_id = '6e0c68ad1682e3388290a1671778d1b297689f7aa8987f9a808c9ad27957a3e2' 
  AND (
    token = 'YS8EjGNEwQzgsl38xnz2BEJ6qKIhWiCnihyKBcFkrOw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )