UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'LmmK21D5c3YgzAAvo7AiqVrQx3gfoKGastbnDiY4B/w=' 
WHERE 
  key_id = 'e1da04fd8a75e0ac7b1c25e153217ad1b0f0235c09814302739a73572e23e8bc' 
  AND (
    token = 'LmmK21D5c3YgzAAvo7AiqVrQx3gfoKGastbnDiY4B/w=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )