UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '+XlDgCd7fW7PXX+3pl3H8/oSs6sP7lOCH6OxjGXfOpg=' 
WHERE 
  key_id = 'bf2438924eb587d392966feca059ce09a710816abe47d8af8fb56b5a680a4dbd' 
  AND (
    token = '+XlDgCd7fW7PXX+3pl3H8/oSs6sP7lOCH6OxjGXfOpg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00023