UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6FZWcI5JOjot5ig6PCf/KfDDQRbcxYNH+BlCaE3vz8I=' 
WHERE 
  key_id = 'b795af3cf7032beb68297596977436a4673e934dcc982f205efd3526be4871d5' 
  AND (
    token = '6FZWcI5JOjot5ig6PCf/KfDDQRbcxYNH+BlCaE3vz8I=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )