UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '/XvwnEP7a4ARbQ2LWF2NNYsf5nXS5R08tiZ2k4Y7xY8=' 
WHERE 
  key_id = 'a676113251a0fe385f02fee997b66d53ae4dc39f91c908b5a24d1451ed22c1e6' 
  AND (
    token = '/XvwnEP7a4ARbQ2LWF2NNYsf5nXS5R08tiZ2k4Y7xY8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00026