UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MHCjSfum41GEB9ugaw7km39bp6QdegsQ8z6DnqodDKs=' 
WHERE 
  key_id = 'ed317b0086e52fb98a029656918107599409ef86e98f8eb08f2295ee7221c999' 
  AND (
    token = 'MHCjSfum41GEB9ugaw7km39bp6QdegsQ8z6DnqodDKs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00050