UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'eEen2IGCrGLws0cmW0dma8R41OYJgRnHiN/c7rzskEA=' 
WHERE 
  key_id = '50431babb7d3864b9a605fb70fa7e44690d7c9a0eb18004f4dece4d63c722be8' 
  AND (
    token = 'eEen2IGCrGLws0cmW0dma8R41OYJgRnHiN/c7rzskEA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )