UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '3rWuXABfdGLFhzWCPMoJWL89Ehzvwv7DoPreH2URfX4=' 
WHERE 
  key_id = '50194225a1aa7820dfa2b78290d02621e5aa70bafd11ad9ff14c4d13b8379e05' 
  AND (
    token = '3rWuXABfdGLFhzWCPMoJWL89Ehzvwv7DoPreH2URfX4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )