UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'vFFtEjqac5XA0g458khjCZvGSHlnx10VF1CFmROJzL0=' 
WHERE 
  key_id = '19841cdf4b7f4d31ef8996c3bd8440eb83fa88029e2692b05733f28be234702c' 
  AND (
    token = 'vFFtEjqac5XA0g458khjCZvGSHlnx10VF1CFmROJzL0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )