UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'k33rhYFSXb+j1G9ZzqHm8Gtp+Uur1VcBUhFILTNza7A=' 
WHERE 
  key_id = 'bfef055c9b3eb54a55aca67f1ab5d4eaa558ab25fc360326a0aeb4cb0bd3f9d3' 
  AND (
    token = 'k33rhYFSXb+j1G9ZzqHm8Gtp+Uur1VcBUhFILTNza7A=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00036