UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'u0kNcmUvZNrGKr5ZGdmXEIhJCGNmEqcemK7vJknGAi8=' 
WHERE 
  key_id = '493edddfcfb1cf9d1fb20c693df8aaa14451697b9032eab6a4dd40b8da95bed8' 
  AND (
    token = 'u0kNcmUvZNrGKr5ZGdmXEIhJCGNmEqcemK7vJknGAi8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )