UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '+c4GmxugL3eWCuog5oaZMjaCgnfX3gMIEzUt0404rWc=' 
WHERE 
  key_id = '5303bcaff995b8a7c4cb32db723b689771336429c1b0cca068db4906d8172939' 
  AND (
    token = '+c4GmxugL3eWCuog5oaZMjaCgnfX3gMIEzUt0404rWc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )