UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'IJNWMRBAt6F3lLf22QC2YqaNRIwUVemGOtybhs0DEvo=' 
WHERE 
  key_id = '18d7a395311d8b56a8b28e8a4f3d83a9700ff2be45182406dd378e91992bc4f7' 
  AND (
    token = 'IJNWMRBAt6F3lLf22QC2YqaNRIwUVemGOtybhs0DEvo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )