UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'xgh+eUuubvvmn5HMDjBREyd2iApVD0v7rKpWfj5PP7I=' 
WHERE 
  key_id = '7e159bf2de26fc9e107f68d036cd02c2f7585b7cab126affce4b0224ceec6076' 
  AND (
    token = 'xgh+eUuubvvmn5HMDjBREyd2iApVD0v7rKpWfj5PP7I=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )