UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Emv7alTvn/83vVEy9Zo3AczTyQFdCL1x/VlIUZAM84s=' 
WHERE 
  key_id = '236ccd2ccadb18d05044006b8f08946b732f81a464847ded49d05df794f4644e' 
  AND (
    token = 'Emv7alTvn/83vVEy9Zo3AczTyQFdCL1x/VlIUZAM84s=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )