UPDATE 
  cscart_aprillock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'rNS2Ov1p/UVZcwhEzGLZmWlpXIDeknD4DBYQrJSV0iU=' 
WHERE 
  key_id = '4e6e76333b40f86cb0f03c812bb994e078e2ebc969d0fb5e10599810d9ddbe30' 
  AND (
    token = 'rNS2Ov1p/UVZcwhEzGLZmWlpXIDeknD4DBYQrJSV0iU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00036