UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'uDBA0H8ZPEMj/tlALjfLmLtO/kqW8ZAJ0X8do23KasA=' 
WHERE 
  key_id = '81575f143b7a8ed35a713d356fa1099e05b29138cb795f057670481d14a1da2b' 
  AND (
    token = 'uDBA0H8ZPEMj/tlALjfLmLtO/kqW8ZAJ0X8do23KasA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )