UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ME+v9AtvbPZNyoZPSNAQFvD+sYdSeqmMreIKGkzEAEU=' 
WHERE 
  key_id = '4cdf4d7dd59a8899d7af00f751ea7c3d623dc531b5231d23125815e50f0a62d2' 
  AND (
    token = 'ME+v9AtvbPZNyoZPSNAQFvD+sYdSeqmMreIKGkzEAEU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )