UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'k6hzGCqIKNTPLNE88dYfn8ZUqgvfAK3p1dZdTMKjtZs=' 
WHERE 
  key_id = '27eae6877cf4277d65836264f047e350f4c940f7bcbe094cc68a2494996d1cd3' 
  AND (
    token = 'k6hzGCqIKNTPLNE88dYfn8ZUqgvfAK3p1dZdTMKjtZs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )