UPDATE 
  cscart_aprillock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'UWrUsxlxbbcf1Lobuo+Z4sQRuXSpaxXcu0a2wr2aqWI=' 
WHERE 
  key_id = 'd923e6956889a56d7cde13a7d269bf0bc4d2cadf834203340e60524e16e1de99' 
  AND (
    token = 'UWrUsxlxbbcf1Lobuo+Z4sQRuXSpaxXcu0a2wr2aqWI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00034