UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Vm7eEXcjWNMIKavtDkSOIBoiMuC7QDvBJnT5zPwdBRA=' 
WHERE 
  key_id = '256756c921e10e3d80f3ad5d8b0766beeda6dec288019fc000cf46a73c1fa90f' 
  AND (
    token = 'Vm7eEXcjWNMIKavtDkSOIBoiMuC7QDvBJnT5zPwdBRA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )