UPDATE 
  cscart_aprillock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RxlfQLEgaxZrnS4WrgjBwxrWapDnYCFr9yfObIIxEvA=' 
WHERE 
  key_id = 'e3edb7b0da185f8f8a934de9546dd2262843e5ac2ee18b74ca317a49a814bb8f' 
  AND (
    token = 'RxlfQLEgaxZrnS4WrgjBwxrWapDnYCFr9yfObIIxEvA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00025