UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'N+exVYDu0EAMpm1QZ4r6TllOr3ER3WflbT5cc4IeQo0=' 
WHERE 
  key_id = 'af68af344fda3fdff8be5e7ed965ddbf53c9b916548b134798586c3d37aa20ac' 
  AND (
    token = 'N+exVYDu0EAMpm1QZ4r6TllOr3ER3WflbT5cc4IeQo0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )