UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'jxp4fxmnIAF13Sv8Rn6MPQjnvVaQ+p4HLFMDkiYVBEE=' 
WHERE 
  key_id = '149b152c81da59731d9cb8889c7868f0a59eb60ed024ddfd3a6d3e8bf505012b' 
  AND (
    token = 'jxp4fxmnIAF13Sv8Rn6MPQjnvVaQ+p4HLFMDkiYVBEE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00045