UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'KExljbKvzpYKCmKxzbtKDXS1sBps9TsOKjrA85MD8J8=' 
WHERE 
  key_id = '193bab63dae485dda0a1828092b3014eaac77f105be1172a568da82dcabb47c4' 
  AND (
    token = 'KExljbKvzpYKCmKxzbtKDXS1sBps9TsOKjrA85MD8J8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )