UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'DvmtlJ+hMRG6QUQ0jYhQ9iVNvXznlJoz43bJ+RRaDgo=' 
WHERE 
  key_id = '2e515b8e8bf259f42b38e889829c173017476248a5f3e3268590be1fcb37d2ed' 
  AND (
    token = 'DvmtlJ+hMRG6QUQ0jYhQ9iVNvXznlJoz43bJ+RRaDgo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00038