UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'iSigSU2nlme9Kqfsu8ttUcZPCVFGH8X6AAAX76rTJvc=' 
WHERE 
  key_id = 'a46214a28a0840f5793bdd3792622a360e8424dd35c472704567dbedbe382d40' 
  AND (
    token = 'iSigSU2nlme9Kqfsu8ttUcZPCVFGH8X6AAAX76rTJvc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )