UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ExbUcgnp/l44xK7+NHd22j+I3vdPIJwybStHsSfchJA=' 
WHERE 
  key_id = 'a15e7595c6c323add5ada336279803c698344409858774b541350bcdbf287894' 
  AND (
    token = 'ExbUcgnp/l44xK7+NHd22j+I3vdPIJwybStHsSfchJA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )