UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '7E/pwhzwX30p0RwUU7DAgrhYLrbgZG/8EoUL+DzUBBA=' 
WHERE 
  key_id = '7a2f5a50eab164c6c931686dc3848be7690cf58c287afd6ad4515eac222ac9e6' 
  AND (
    token = '7E/pwhzwX30p0RwUU7DAgrhYLrbgZG/8EoUL+DzUBBA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00017