UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'KvYhk7wK7gqskJPRrOXRb/a6PYsz3BaA71d3mAG0L2A=' 
WHERE 
  key_id = '541fb13dd30ef781912bd0b51d78776f7e220c6e08ecdaae512fe2d3bdf85064' 
  AND (
    token = 'KvYhk7wK7gqskJPRrOXRb/a6PYsz3BaA71d3mAG0L2A=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )