UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Fixtwm050jY+kccP3uBdHBePeyqFwofZNQjHzJUOmew=' 
WHERE 
  key_id = '15d18c071cb1dd2da0ca49a40b471c446decab32e685aa7611e25c32bfab1b58' 
  AND (
    token = 'Fixtwm050jY+kccP3uBdHBePeyqFwofZNQjHzJUOmew=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )