UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'IT2elscZ09CrMx5KyctCPrvJD3JKCVpJhd/JZ+pxun8=' 
WHERE 
  key_id = 'bb0b660bd989ea323421177e4d627b25b819b2acd2afd4aaa6b27658aec7c9d6' 
  AND (
    token = 'IT2elscZ09CrMx5KyctCPrvJD3JKCVpJhd/JZ+pxun8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00029