UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'efE2j3/DFJhA6ZqMteanaNYKLnUs7uNGY6xlAqWSAZ8=' 
WHERE 
  key_id = '15303ce634e9a902f9f542b858bff7464c0fed1be607e67bcd7981e1fceb3fab' 
  AND (
    token = 'efE2j3/DFJhA6ZqMteanaNYKLnUs7uNGY6xlAqWSAZ8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )