UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'W0/uMd28F9aFYq6BaQwA3+0c2NTh/ijrYR5aHZ7iE7o=' 
WHERE 
  key_id = 'a50ee914a498af94eb12d1b6bd098041bdf26fc41105f05a47f3a665567036f8' 
  AND (
    token = 'W0/uMd28F9aFYq6BaQwA3+0c2NTh/ijrYR5aHZ7iE7o=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )