UPDATE 
  cscart_aprillock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '4FmrrYDfAOOe4M7PDMjb3TPnA86ho3+u+1NrGSdRCdw=' 
WHERE 
  key_id = 'ce23d8b69d9df8cf4ae25432e1f6644b25c18b30821e649036eee5a65d3ea0a5' 
  AND (
    token = '4FmrrYDfAOOe4M7PDMjb3TPnA86ho3+u+1NrGSdRCdw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00034