UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'a8Fm+L/ixFqC5+1AfJz818+QdFi0UVESC6ZTY0rt12c=' 
WHERE 
  key_id = '7e51e21348dd9e0578d8bcc86d7e270f23f0b94b76ad4d4b59dc12810b13c819' 
  AND (
    token = 'a8Fm+L/ixFqC5+1AfJz818+QdFi0UVESC6ZTY0rt12c=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )