UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ANKT+Xiuie92Ye69sYrDp5oEdxaiAHzNhd6YmZQOPLM=' 
WHERE 
  key_id = '09e805fb4d207b3da928fad46e6169fe5a94f26ef0f0f28f5d36ea43d6fb871c' 
  AND (
    token = 'ANKT+Xiuie92Ye69sYrDp5oEdxaiAHzNhd6YmZQOPLM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00034