UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'kLQjbb/qWV4v3QN4ulW59aoOHkihTzynsT/y2Trfdo4=' 
WHERE 
  key_id = '877c2ad708c1c56b7b7d827396e76b8bcc5f20aa934d8fe7f5a4673431838130' 
  AND (
    token = 'kLQjbb/qWV4v3QN4ulW59aoOHkihTzynsT/y2Trfdo4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00022