UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'T8IfDGfNQUPQGolWDA36iHZsflJtD5gzGAWuDZHdsWg=' 
WHERE 
  key_id = '587c09e4e9519e7878a89a9a7da6e6b9e08fa69f8f7b61b421b60ad14886de21' 
  AND (
    token = 'T8IfDGfNQUPQGolWDA36iHZsflJtD5gzGAWuDZHdsWg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00015