UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'R2JDgBQi+seNj47iQjaKMwZzPNf3cckfzCWhmyw52pE=' 
WHERE 
  key_id = '18daaf84e81586185dc0b8bb769c18af233396ef9aff0a23283f258d00daca98' 
  AND (
    token = 'R2JDgBQi+seNj47iQjaKMwZzPNf3cckfzCWhmyw52pE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )