UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'po5jYfza9heQ6RgMitVnJgZ2OQxC7X1bnpi7gGXkHj8=' 
WHERE 
  key_id = '9d8aacb0801728dad72dc2a98aec1a01fb93edb5834c9262f13bde0249989937' 
  AND (
    token = 'po5jYfza9heQ6RgMitVnJgZ2OQxC7X1bnpi7gGXkHj8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )