UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'AKc7wDJmqd9ry76nGe9es+DbXhWrqahX4uYYjreqyvk=' 
WHERE 
  key_id = 'e5b8c7edf40b5a1c762512d095099cc7db21f25d44979eb607272f14f82a3a95' 
  AND (
    token = 'AKc7wDJmqd9ry76nGe9es+DbXhWrqahX4uYYjreqyvk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )