UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '68Z5CCTpcYt+W2SQMzVO+lh2n4CvYlEqeTnoLVQ8dt0=' 
WHERE 
  key_id = 'db268bef2e4295c7ea8d6b6461ee9968b502087c0186eb3785330ae2491bbe16' 
  AND (
    token = '68Z5CCTpcYt+W2SQMzVO+lh2n4CvYlEqeTnoLVQ8dt0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00026