UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'uWNQp/3eoRvZO1dtFOfAGmPB/m0v8yAObNSyKFuzWMM=' 
WHERE 
  key_id = 'ab31aa19a1b3a85176ff98e1e3009900c9416fcad3681dfccbff59fdb92aec4a' 
  AND (
    token = 'uWNQp/3eoRvZO1dtFOfAGmPB/m0v8yAObNSyKFuzWMM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00033