UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'kQ/aGsTwoxuoVZWphRVTjXdjHchssbP2ocj2S8bAlG4=' 
WHERE 
  key_id = '28a370d656a63c4a9285e40c0072d8070df8c4f9cf862c9fa5821b652595fb07' 
  AND (
    token = 'kQ/aGsTwoxuoVZWphRVTjXdjHchssbP2ocj2S8bAlG4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00029