UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '9eeaqlPu7+UJHo5N1H2MzZO3ApYe8HmbVR9I69hnxlo=' 
WHERE 
  key_id = '53b65306bf759e7f24ca6c172a9dd555b2ef4404bd15081db1c594a272ac6ed6' 
  AND (
    token = '9eeaqlPu7+UJHo5N1H2MzZO3ApYe8HmbVR9I69hnxlo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00023