UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'a1lyGk0v43Bc9/f785myzC/JLH5OG5Gg+jqyKYEuoOc=' 
WHERE 
  key_id = '4f13eb7c5d067a3e9fb3f32c7a4c61a0e9ab361163d134330b520fe355c54f78' 
  AND (
    token = 'a1lyGk0v43Bc9/f785myzC/JLH5OG5Gg+jqyKYEuoOc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00021