UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'fBZF078MFvM5mRvAVkZQYxOpoRa7JLIMKjGw8YtMKM8=' 
WHERE 
  key_id = '4359ba5a324bbb5e86d28be7ce65e5ac612417069b93ed20507c82ff3b0acaa9' 
  AND (
    token = 'fBZF078MFvM5mRvAVkZQYxOpoRa7JLIMKjGw8YtMKM8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00050