UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'pZkaOQLF9dLUZEzCNPuqoQh026u3WpQjGX4kG4syx0c=' 
WHERE 
  key_id = '7a3e91283867d196619ee0c56b168ef41defcdc8ee7251daf57a342444e7c47e' 
  AND (
    token = 'pZkaOQLF9dLUZEzCNPuqoQh026u3WpQjGX4kG4syx0c=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )