UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'KG1BKft021vc5o4Uy8EVh9VLcdAtddl4yrp7Gf2y0lA=' 
WHERE 
  key_id = '50180a19f22b3a08ead08398d24a9e74e0a79407f3a67961356b02b292fbe687' 
  AND (
    token = 'KG1BKft021vc5o4Uy8EVh9VLcdAtddl4yrp7Gf2y0lA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )