UPDATE 
  cscart_june_setuplock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Gu6B7S9ESxK8uVjZpAKvLYi22151YLi67iy/UGf6QSU=' 
WHERE 
  key_id = '3d3676b829fe6ef15cd9ee60c5027c3f26a38808c6ebd2429382dd29d30276d9' 
  AND (
    token = 'Gu6B7S9ESxK8uVjZpAKvLYi22151YLi67iy/UGf6QSU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00026