UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MClht4I4v8h4mq0oGARAzVytuetEWCSoIaCo8O6sv2g=' 
WHERE 
  key_id = '5391ba113c9eb996a2a612b316a1ed6e911101208c963ec51a607c883d2ffb62' 
  AND (
    token = 'MClht4I4v8h4mq0oGARAzVytuetEWCSoIaCo8O6sv2g=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00027