UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'SaEri37yPd4dhCQpmmj38jxNKo43mSOGYAnpWFMkBTE=' 
WHERE 
  key_id = '2939db53754abf1576204632cb7b2002f465615269415a75861b381116c70d00' 
  AND (
    token = 'SaEri37yPd4dhCQpmmj38jxNKo43mSOGYAnpWFMkBTE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )