UPDATE 
  cscart_aprillock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'gu508dxgL7Gp/l0HmLuEicnt5dKG2RCMi5Vba8vcsOE=' 
WHERE 
  key_id = 'c544fe365a4bf86f23198f4576af5222212aff1bb2320b8d49e808242f1faaf7' 
  AND (
    token = 'gu508dxgL7Gp/l0HmLuEicnt5dKG2RCMi5Vba8vcsOE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00033