UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'HgpGfisLDudvoVXXI6UHDQMVbvkvv+NHqoCm3j/HD8s=' 
WHERE 
  key_id = 'c3b373e8972dfd60c9640d423d1661688e19d852e5788dd3af0c3d371bbda8a7' 
  AND (
    token = 'HgpGfisLDudvoVXXI6UHDQMVbvkvv+NHqoCm3j/HD8s=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00043