UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'e/nWn/FVlIvhKARrekkEf2qfStcehgBnACHkiEMeMms=' 
WHERE 
  key_id = '2343110403ad5e19ab043974b75feac594d2ec6e1c14968b03853487bf8adac5' 
  AND (
    token = 'e/nWn/FVlIvhKARrekkEf2qfStcehgBnACHkiEMeMms=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )