UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '/xUgKlO406lmS41hNtzeMLWUe1G4RsVaY2854rrTqcc=' 
WHERE 
  key_id = '84cc5d4d2086f2c1948f28d04c265de6e37714a58c8361705f95a03c8b3fa590' 
  AND (
    token = '/xUgKlO406lmS41hNtzeMLWUe1G4RsVaY2854rrTqcc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )