UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '//IovXH0xialUbeGbL5qBo2UprPJTt4nCgr6ptA5CVM=' 
WHERE 
  key_id = '680be18c5cc9eb3fefe3c1fa4f47cee9ffa35ef6c75622109ea6d9b2669ef3e0' 
  AND (
    token = '//IovXH0xialUbeGbL5qBo2UprPJTt4nCgr6ptA5CVM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )